부산대학교 도서관

Cross, Marita ; Ong, Kanyin Liane; Culbreth, Garland T; Steinmetz, Jaimie D; Cousin, Ewerton; Lenox, Hailey; Kopec, Jacek A; Haile, Lydia M; Brooks, Peter M; Kopansky-Giles, Deborah R; Dreinhoefer, Karsten E; Betteridge, Neil; Abbasian, Mohammadreza; Abbasifard, Mitra; Abedi, Aidin; Aboye, Melka Biratu; Aravkin, Aleksandr Y; Artaman, Al; Banach, Maciej; Bensenor, Isabela M; Bhagavathula, Akshaya Srikanth; Bhat, Ajay Nagesh; Bitaraf, Saeid; Buchbinder, Rachelle; Burkart, Katrin; Chu, Dinh-Toi; Chung, Sheng-Chia; Dadras, Omid; Dai, Xiaochen; Das, Saswati; Dhingra, Sameer; Do, Thanh Chi; Edinur, Hisham Atan; Fatehizadeh, Ali; Fetensa, Getahun; Freitas, Marisa; Ganesan, Balasankar; Gholami, Ali; Gill, Tiffany K; Golechha, Mahaveer; Goleij, Pouya; Hafezi-Nejad, Nima; Hamidi, Samer; Hay, Simon I; Hundessa, Samuel; Iso, Hiroyasu; Jayaram, Shubha; Kadashetti, Vidya; Karaye, Ibraheem M; Khan, Ejaz Ahmad; Khan, Moien AB; Khatatbeh, Moawiah Mohammad; Kiadaliri, Ali; Kim, Min Seo; Kolahi, Ali-Asghar; Krishan, Kewal; Kumar, Narinder; Le, Thao Thi Thu; Lim, Stephen S; Lobo, Stany W; Majeed, Azeem; Malik, Ahmad Azam; Mesregah, Mohamed Kamal; Mestrovic, Tomislav; Mirrakhimov, Erkin M; Mishra, Manish; Misra, Arup Kumar; Moberg, Madeline E; Mohamed, Nouh Saad; Mohan, Syam; Mokdad, Ali H; Momenzadeh, Kaveh; Moni, Mohammad Ali; Moradi, Yousef; Mougin, Vincent; Mukhopadhyay, Satinath; Murray, Christopher J L; Narasimha Swamy, Sreenivas; Nguyen, Van Thanh; Niazi, Robina Khan; Owolabi, Mayowa O; Padubidri, Jagadish Rao; Patel, Jay; Pawar, Shrikant; Pedersini, Paolo; Rafferty, Quinn; Rahman, Mosiur; Rashidi, Mohammad-Mahdi; Rawaf, Salman; Saad, Aly M A; Sahebkar, Amirhossein; Saheb Sharif-Askari, Fatemeh; Saleh, Mohamed A; Schumacher, Austin E; Seylani, Allen; Singh, Paramdeep; Smith, Amanda E; Solanki, Ranjan; Solomon, Yonatan; Tan, Ker-Kan; Tat, Nathan Y; Tibebu, Nigusie Selomon Selomon; You, Yuyi; Zheng, Peng; Zitoun, Osama A; Vos, Theo; March, Lyn M; Woolf, Anthony D

In The Lancet Rheumatology August 2024 6(8):e507-e517

Wu, Ai-Min; Cross, Marita; Elliott, James M ; Culbreth, Garland T; Haile, Lydia M; Steinmetz, Jaimie D; Hagins, Hailey; Kopec, Jacek A; Brooks, Peter M; Woolf, Anthony D; Kopansky-Giles, Deborah R; Walton, David M; Treleaven, Julia M; Dreinhoefer, Karsten E; Betteridge, Neil; Abbasifard, Mitra; Abbasi-Kangevari, Zeinab; Addo, Isaac Yeboah; Adesina, Miracle Ayomikun; Adnani, Qorinah Estiningtyas Sakilah; Aithala, Janardhana P; Alhalaiqa, Fadwa Alhalaiqa Naji; Alimohamadi, Yousef; Amiri, Sohrab; Amu, Hubert; Antony, Benny; Arabloo, Jalal; Aravkin, Aleksandr Y; Asghari-Jafarabadi, Mohammad; Atomsa, Gamechu Hunde; Azadnajafabad, Sina; Azzam, Ahmed Y; Baghdadi, Soroush; Balogun, Saliu A; Balta, Asaminew Birhanu; Banach, Maciej; Banakar, Morteza; Barrow, Amadou; Bashiri, Azadeh; Bekele, Alehegn; Bensenor, Isabela M; Bhardwaj, Pankaj; Bhat, Ajay Nagesh; Bilchut, Awraris Hailu; Briggs, Andrew M; Buchbinder, Rachelle; Cao, Chao; Chaurasia, Akhilanand; Chirinos-Caceres, Jesus Lorenzo; Christensen, Steffan Wittrup McPhee; Coberly, Kaleb; Cousin, Ewerton; Dadras, Omid; Dai, Xiaochen; de Luca, Katie; Dehghan, Azizallah; Dong, Huan-Ji; Ekholuenetale, Michael; Elhadi, Muhammed; Eshetu, Habitu Birhan; Eskandarieh, Sharareh; Etaee, Farshid; Fagbamigbe, Adeniyi Francis; Fares, Jawad; Fatehizadeh, Ali; Feizkhah, Alireza; Ferreira, Manuela L; Ferreira, Nuno; Fischer, Florian; Franklin, Richard Charles; Ganesan, Balasankar; Gebremichael, Mathewos Alemu; Gerema, Urge; Gholami, Ali; Ghozy, Sherief; Gill, Tiffany K; Golechha, Mahaveer; Goleij, Pouya; Golinelli, Davide; Graham, Simon Matthew; Haj-Mirzaian, Arvin; Harlianto, Netanja I; Hartvigsen, Jan; Hasanian, Mohammad; Hassen, Mohammed Bheser; Hay, Simon I; Hebert, Jeffrey J; Heidari, Golnaz; Hoveidaei, Amir Human; Hsiao, Alexander Kevin; Ibitoye, Segun Emmanuel; Iwu, Chidozie C D; Jacob, Louis; Janodia, Manthan Dilipkumar; Jin, Yingzhao; Jonas, Jost B.; Joshua, Charity Ehimwenma; Kandel, Himal; Khader, Yousef Saleh; Khajuria, Himanshu; Khan, Ejaz Ahmad; Khan, Moien AB; Khatatbeh, Moawiah Mohammad; Khateri, Sorour; Khayat Kashani, Hamid Reza; Khonji, Mohammad Saeid; Khubchandani, Jagdish; Kim, Yun Jin; Kisa, Adnan; Kolahi, Ali-Asghar; Koohestani, Hamid Reza; Krishan, Kewal; Kuddus, Mohammed; Kuttikkattu, Ambily; Lasrado, Savita; Lee, Yo Han; Legesse, Samson Mideksa; Lim, Stephen S; Liu, Xuefeng; Lo, Justin; Malih, Narges; Manandhar, Shisir Prasad; Mathews, Elezebeth; Mesregah, Mohamed Kamal; Mestrovic, Tomislav; Miller, Ted R; Mirghaderi, Seyed Peyman; Misganaw, Awoke; Mohammadi, Esmaeil; Mohammed, Shafiu; Mokdad, Ali H; Momtazmanesh, Sara; Moni, Mohammad Ali; Mostafavi, Ebrahim; Murray, Christopher J L; Nair, Tapas Sadasivan; Nejadghaderi, Seyed Aria; Nzoputam, Ogochukwu Janet; Oh, In-Hwan; Okonji, Osaretin Christabel; Owolabi, Mayowa O; Pacheco-Barrios, Kevin; Pahlevan Fallahy, Mohammad Taha; Park, Seoyeon; Patel, Jay; Pawar, Shrikant; Pedersini, Paolo; Peres, Mario F P; Petcu, Ionela-Roxana; Pourahmadi, Mohammadreza; Qattea, Ibrahim; Ram, Pradhum; Rashidi, Mohammad-Mahdi; Rawaf, Salman; Rezaei, Nazila; Rezaei, Negar; Saeed, Umar; Saheb Sharif-Askari, Fatemeh; Salahi, Saina; Sawhney, Monika; Schumacher, Austin E; Shafie, Mahan; Shahabi, Saeed; Shahbandi, Ataollah; Shamekh, Ali; Sharma, Saurab; Shiri, Rahman; Shobeiri, Parnian; Sinaei, Ehsan; Singh, Ambrish; Singh, Jasvinder A.; Singh, Paramdeep; Skryabina, Anna Aleksandrovna; Smith, Amanda E; Tabish, Mohammad; Tan, Ker-Kan; Tegegne, Masresha Derese; Tharwat, Samar; Vahabi, Seyed Mohammad; Valadan Tahbaz, Sahel; Vasankari, Tommi Juhani; Venketasubramanian, Narayanaswamy; Vollset, Stein Emil; Wang, Yuan-Pang; Wiangkham, Taweewat; Yonemoto, Naohiro; Zangiabadian, Moein; Zare, Iman; Zemedikun, Dawit T; Zheng, Peng; Ong, Kanyin Liane; Vos, Theo; March, Lyn M

In The Lancet Rheumatology March 2024 6(3):e142-e155

Gill, Tiffany K ; Mittinty, Manasi Murthy ; March, Lyn M; Steinmetz, Jaimie D; Culbreth, Garland T; Cross, Marita; Kopec, Jacek A; Woolf, Anthony D; Haile, Lydia M; Hagins, Hailey; Ong, Kanyin Liane; Kopansky-Giles, Deborah R; Dreinhoefer, Karsten E; Betteridge, Neil; Abbasian, Mohammadreza; Abbasifard, Mitra; Abedi, krishna; Adesina, Miracle Ayomikun; Aithala, Janardhana P; Akbarzadeh-Khiavi, Mostafa; Al Thaher, Yazan; Alalwan, Tariq A; Alzahrani, Hosam; Amiri, Sohrab; Antony, Benny; Arabloo, Jalal; Aravkin, Aleksandr Y; Arumugam, Ashokan; Aryal, Krishna K; Athari, Seyyed Shamsadin; Atreya, Alok; Baghdadi, Soroush; Bardhan, Mainak; Barrero, Lope H; Bearne, Lindsay M; Bekele, Alehegn Bekele; Bensenor, Isabela M; Bhardwaj, Pankaj; Bhatti, Rajbir; Bijani, Ali; Bordianu, Theresa; Bouaoud, Souad; Briggs, Andrew M; Cheema, Huzaifa Ahmad; Christensen, Steffan Wittrup McPhee; Chukwu, Isaac Sunday; Clarsen, Benjamin; Dai, Xiaochen; de Luca, Katie; Desye, Belay; Dhimal, Meghnath; Do, Thanh Chi; Fagbamigbe, Adeniyi Francis; Farokh Forghani, Siamak; Ferreira, Nuno; Ganesan, Balasankar; Gebrehiwot, Mesfin; Ghashghaee, Ahmad; Graham, Simon Matthew; Harlianto, Netanja I; Hartvigsen, Jan; Hasaballah, Ahmed I; Hasanian, Mohammad; Hassen, Mohammed Bheser; Hay, Simon I; Heidari, Mohammad; Hsiao, Alexander Kevin; Ilic, Irena M; Jokar, Mohammad; Khajuria, Himanshu; Khan, Md Jobair; Khanal, Praval; Khateri, Sorour; Kiadaliri, Ali; Kim, Min Seo; Kisa, Adnan; Kolahi, Ali-Asghar; Krishan, Kewal; Krishnamoorthy, Vijay; Landires, Iván; Larijani, Bagher; Le, Thao Thi Thu; Lee, Yo Han; Lim, Stephen S; Lo, Justin; Madani, Seyedeh Panid; Malagón-Rojas, Jeadran N; Malik, Iram; Marateb, Hamid Reza; Mathew, Ashish J; Meretoja, Tuomo J; Mesregah, Mohamed Kamal; Mestrovic, Tomislav; Mirahmadi, Alireza; Misganaw, Awoke; Mohaghegh, Sadra; Mokdad, Ali H; Momenzadeh, Kaveh; Momtazmanesh, Sara; Monasta, Lorenzo; Moni, Mohammad Ali; Moradi, Yousef; Mostafavi, Ebrahim; Muhammad, Jibran Sualeh; Murray, Christopher J L; Muthu, Sathish; Nargus, Shumaila; Nassereldine, Hasan; Neupane, Subas; Niazi, Robina Khan; Oh, In-Hwan; Okati-Aliabad, Hassan; Oulhaj, Abderrahim; Pacheco-Barrios, Kevin; Park, Seoyeon; Patel, Jay; Pawar, Shrikant; Pedersini, Paolo; Peres, Mario F P; Petcu, Ionela-Roxana; Petermann-Rocha, Fanny Emily; Poursadeqiyan, Mohsen; Qattea, Ibrahim; Qureshi, Maryam Faiz; Rafferty, Quinn; Rahimi-Dehgolan, Shahram; Rahman, Mosiur; Ramasamy, Shakthi Kumaran; Rashedi, Vahid; Redwan, Elrashdy Moustafa Mohamed; Ribeiro, Daniel Cury; Roever, Leonardo; Safary, Azam; Sagoe, Dominic; Saheb Sharif-Askari, Fatemeh; Sahebkar, Amirhossein; Salehi, Sana; Shafaat, Amir; Shahabi, Saeed; Sharma, Saurab; Shashamo, Bereket Beyene; Shiri, Rahman; Singh, Ambrish; Slater, Helen; Smith, Amanda E; Sunuwar, Dev Ram; Tabish, Mohammad; Tharwat, Samar; Ullah, Irfan; Valadan Tahbaz, Sahel; Vasankari, Tommi Juhani; Villafañe, Jorge Hugo; Vollset, Stein Emil; Wiangkham, Taweewat; Yonemoto, Naohiro; You, Yuyi; Zare, Iman; Zheng, Peng; Vos, Theo; Brooks, Peter M

In The Lancet Rheumatology November 2023 5(11):e670-e682

Black, Rachel J; Cross, Marita ; Haile, Lydia M; Culbreth, Garland T; Steinmetz, Jaimie D; Hagins, Hailey; Kopec, Jacek A; Brooks, Peter M; Woolf, Anthony D; Ong, Kanyin Liane; Kopansky-Giles, Deborah R; Dreinhoefer, Karsten E; Betteridge, Neil; Aali, Amirali; Abbasifard, Mitra; Abbasi-Kangevari, Mohsen; Abdurehman, Ame Mehadi; Abedi, Aidin; Abidi, Hassan; Aboagye, Richard Gyan; Abolhassani, Hassan; Abu-Gharbieh, Eman; Abu-Zaid, Ahmed; Adamu, Kidist; Addo, Isaac Yeboah; Adesina, Miracle Ayomikun; Adnani, Qorinah Estiningtyas Sakilah; Afzal, Muhammad Sohail; Ahmed, Ayman; Aithala, Janardhana P; Akhlaghdoust, Meisam; Alemayehu, Astawus; Alvand, Saba; Alvis-Zakzuk, Nelson J; Amu, Hubert; Antony, Benny; Arabloo, Jalal; Aravkin, Aleksandr Y; Arulappan, Judie; Ashraf, Tahira; Athari, Seyyed Shamsadin; Azadnajafabad, Sina; Badawi, Alaa; Baghcheghi, Nayereh; Baig, Atif Amin; Balta, Asaminew Birhanu; Banach, Maciej; Banik, Palash Chandra; Barrow, Amadou; Bashiri, Azadeh; Bearne, Lindsay M; Bekele, Alehegn; Bensenor, Isabela M; Berhie, Alemshet Yirga; Bhagavathula, Akshaya Srikanth; Bhardwaj, Pankaj; Bhat, Ajay Nagesh; Bhojaraja, Vijayalakshmi S; Bitaraf, Saeid; Bodicha, Belay Boda Abule; Botelho, João Silva; Briggs, Andrew M; Buchbinder, Rachelle; Castañeda-Orjuela, Carlos A; Charalampous, Periklis; Chattu, Vijay Kumar; Coberly, Kaleb; Cruz-Martins, Natália; Dadras, Omid; Dai, Xiaochen; de Luca, Katie; Dessalegn, Fikadu Nugusu; Dessie, Gashaw; Dhimal, Meghnath; Digesa, Lankamo Ena; Diress, Mengistie; Doku, Paul Narh; Edinur, Hisham Atan; Ekholuenetale, Michael; Elhadi, Muhammed; El-Sherbiny, Yasser Mohamed; Etaee, Farshid; Ezzeddini, Rana; Faghani, Shahriar; Filip, Irina; Fischer, Florian; Fukumoto, Takeshi; Ganesan, Balasankar; Gebremichael, Mathewos Alemu; Gerema, Urge; Getachew, Motuma Erena; Ghashghaee, Ahmad; Gill, Tiffany K; Gupta, Bhawna; Gupta, Sapna; Gupta, Veer Bala; Gupta, Vivek Kumar; Halwani, Rabih; Hannan, Md Abdul; Haque, Shafiul; Harlianto, Netanja I; Harorani, Mehdi; Hasaballah, Ahmed I; Hassen, Mohammed Bheser; Hay, Simon I; Hayat, Khezar; Heidari, Golnaz; Hezam, Kamal; Hill, Catherine L; Hiraike, Yuta; Horita, Nobuyuki; Hoveidaei, Amir Human; Hsiao, Alexander Kevin; Hsieh, Evelyn; Hussain, Salman; Iavicoli, Ivo; Ilic, Irena M; Islam, Sheikh Mohammed Shariful; Ismail, Nahlah Elkudssiah; Iwagami, Masao; Jakovljevic, Mihajlo; Jani, Chinmay T; Jeganathan, Jayakumar; Joseph, Nitin; Kadashetti, Vidya; Kandel, Himal; Kanko, Tesfaye K; Karaye, Ibraheem M; Khajuria, Himanshu; Khan, Md Jobair; Khan, Moien AB; Khanali, Javad; Khatatbeh, Moawiah Mohammad; Khubchandani, Jagdish; Kim, Yun Jin; Kisa, Adnan; Kolahi, Ali-Asghar; Kompani, Farzad; Koohestani, Hamid Reza; Koyanagi, Ai; Krishan, Kewal; Kuddus, Mohammed; Kumar, Narinder; Kuttikkattu, Ambily; Larijani, Bagher; Lim, Stephen S; Lo, Justin; Machado, Vanessa Sintra; Mahajan, Preetam Bhalchandra; Majeed, Azeem; Malakan Rad, Elaheh; Malik, Ahmad Azam; Mansournia, Mohammad Ali; Mathews, Elezebeth; Mendes, José João; Mentis, Alexios-Fotios A; Mesregah, Mohamed Kamal; Mestrovic, Tomislav; Mirghaderi, Seyed Peyman; Mirrakhimov, Erkin M; Misganaw, Awoke; Mohamadkhani, Ashraf; Mohammed, Shafiu; Mokdad, Ali H; Moniruzzaman, Md; Montasir, Ahmed Al; Mulu, Getaneh Baye; Murillo-Zamora, Efrén; Murray, Christopher J L; Mustafa, Ghulam; Naghavi, Mohsen; Nair, Tapas Sadasivan; Naqvi, Atta Abbas; Natto, Zuhair S; Nayak, Biswa Prakash; Neupane, Subas; Nguyen, Cuong Tat; Niazi, Robina Khan; Nzoputam, Ogochukwu Janet; Oh, In-Hwan; Okati-Aliabad, Hassan; Okonji, Osaretin Christabel; Olufadewa, Isaac Iyinoluwa; Owolabi, Mayowa O; Pacheco-Barrios, Kevin; Padubidri, Jagadish Rao; Patel, Jay; Pathan, Aslam Ramjan; Pawar, Shrikant; Pedersini, Paolo; Perianayagam, Arokiasamy; Petcu, Ionela-Roxana; Qattea, Ibrahim; Radfar, Amir; Rafiei, Alireza; Rahman, Mohammad Hifz Ur; Rahmanian, Vahid; Rashedi, Vahid; Rashidi, Mohammad-Mahdi; Ratan, Zubair Ahmed; Rawaf, Salman; Razeghinia, Mohammad Sadegh; Redwan, Elrashdy Moustafa Mohamed; Renzaho, Andre M N; Rezaei, Nazila; Rezaei, Nima; Riad, Abanoub; Saad, Aly M A; Saddik, Basema; Saeed, Umar; Safary, Azam; Sahebazzamani, Maryam; Sahebkar, Amirhossein; Sahoo, Harihar; Salek Farrokhi, Amir; Saqib, Muhammad Arif Nadeem; Seylani, Allen; Shahabi, Saeed; Shaikh, Masood Ali; Shashamo, Bereket Beyene; Shetty, Adithi; Shetty, Jeevan K; Shigematsu, Mika; Shivarov, Velizar; Shobeiri, Parnian; Sibhat, Migbar Mekonnen; Sinaei, Ehsan; Singh, Ambrish; Singh, Jasvinder A; Singh, Paramdeep; Singh, Surjit; Siraj, Md Shahjahan; Skryabina, Anna Aleksandrovna; Slater, Helen; Smith, Amanda E; Solomon, Yonatan; Soltani-Zangbar, Mohammad Sadegh; Tabish, Mohammad; Tan, Ker-Kan; Tat, Nathan Y; Tehrani-Banihashemi, Arash; Tharwat, Samar; Tovani-Palone, Marcos Roberto; Tusa, Biruk Shalmeno; Valadan Tahbaz, Sahel; Valdez, Pascual R; Valizadeh, Rohollah; Vaziri, Siavash; Vollset, Stein Emil; Wu, Ai-Min; Yada, Dereje Y; Yehualashet, Sisay Shewasinad; Yonemoto, Naohiro; You, Yuyi; Yunusa, Ismaeel; Zangiabadian, Moein; Zare, Iman; Zarrintan, Armin; Zhang, Zhi-Jiang; Zhong, Chenwen; Zoladl, Mohammad; Vos, Theo; March, Lyn M

In The Lancet Rheumatology October 2023 5(10):e594-e610

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In The Lancet 5-11 December 2015 386(10010):2287-2323

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In The Lancet 28 November-4 December 2015 386(10009):2145-2191

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Berthelsen DB; Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; Department of Rehabilitation, Municipality of Guldborgsund, Nykoebing F, Denmark.; Simon LS; SDG LLC Cambridge, MA 02138, USA.; Ioannidis JPA; Departments of Medicine, Epidemiology and Population Health, Biomedical Data Science, and Statistics, and Meta-Research Innovation Center at Stanford (METRICS), Stanford University, California, USA.; Voshaar M; Department of Pharmacy, Sint Maartenskliniek, Department of Pharmacy, RadboudUMC, Nijmegen, the Netherlands.; Richards P; Department of Rheumatology, University of Bristol, Bristol, United Kingdom.; Goel N; Division of Rheumatology, Duke University School of Medicine, Durham, NC, USA.; Strand V; Division of Immunology/Rheumatology, Stanford University, Palo Alto CA, USA.; Nielsen SM; Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark.; Shea BJ; Ottawa Hospital Research Institute, Clinical Epidemiology Program and School of Epidemiology and Public Health, University of Ottawa, Canada.; Tugwell P; Department of Medicine, School of Epidemiology, Public Health and Community Medicine, University of Ottawa, Canada.; Bartlett SJ; Department of Medicine, McGill University, Montreal, Canada.; Hazlewood GS; Department of Medicine, Cumming School of Medicine, University of Calgary; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary; Arthritis Research Canada.; March L; Department of Rheumatology, Royal North Shore Hospital, Kolling Institue and The University of Sydney, Sydney, Australia.; Singh JA; Medicine Service, VA Medical Center, Birmingham, AL, USA; Department of Medicine and the School of Medicine, University of Alabama at Birmingham (UAB), Birmingham, AL, USA; Department of Epidemiology and the UAB School of Public Health, Birmingham, AL, USA.; Suarez-Almazor ME; Department of Health Services Research and Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Centre, Houston, TX, USA.; Boers M; Department of Epidemiology and Data Science, Amsterdam UMC, Vrije Universiteit, Amsterdam, the Netherlands.; Stevens RM; Centrexion Therapeutic Corp, Boston, MA, USA.; Furst DE; David Geffen School of Med. Department of Medicine, Division of Rheumatology, UCLA, Los Angeles, California, USA.; Woodworth T; David Geffen School of Med. Department of Medicine, Division of Rheumatology, UCLA, Los Angeles, California, USA.; Leong A; Healthy Motivation, Santa Barbara, California USA.; Brooks PM; Centre for Health Policy Melbourne School of Population and Global Health University of Melbourne, Australia.; Flurey C; Faculty of Health and Applied Sciences, University of the West of England, Bristol, United Kingdom.; Christensen R; Section for Biostatistics and Evidence-Based Research, the Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen, Denmark; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark. Electronic address: Robin.Christensen@regionh.dk.

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Andersen KM; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Kelly A; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Lyddiatt A; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Bingham CO 3rd; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Bykerk VP; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Batterman A; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Westreich J; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Jones MK; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Cross M; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Brooks PM; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; March L; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Shea B; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Tugwell P; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Simon LS; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Christensen R; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University.; Bartlett SJ; From the Department of Family Medicine, and the Department of Medicine, McGill University, Montreal, Quebec; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Canberra Rheumatology; College of Health and Medicine, Australian National University, Canberra; Centre for Kidney Research, The Children's Hospital at Westmead; Institute of Bone and Joint Research-Kolling Institute, University of Sydney; Sydney Medical School, University of Sydney, Sydney; Department of Rheumatology, Royal North Shore Hospital; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Northern Health, Epping, Australia; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; Department of Social Work Programs, Hospital for Special Surgery, New York, New York; SDG LLC, Cambridge, Massachusetts, USA. susan.bartlett@mcgill.ca.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; A. Kelly, MD, PhD student, Canberra Rheumatology, and College of Health and Medicine, Australian National University, and Centre for Kidney Research, The Children's Hospital at Westmead; A. Lyddiatt, Patient Partner; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; V.P. Bykerk, MD, Division of Rheumatology, Department of Medicine, Hospital for Special Surgery; A. Batterman, MSW, Department of Social Work Programs, Hospital for Special Surgery; J. Westreich, MSW, Department of Social Work Programs, Hospital for Special Surgery; M.K. Jones, BSc, Division of Rheumatology, Department of Medicine, Johns Hopkins University; M. Cross, PhD, Institute of Bone and Joint Research-Kolling Institute, University of Sydney, and Rheumatology Department, Royal North Shore Hospital; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne, and Northern Health; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, St Leonards, and Department of Rheumatology, Royal North Shore Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, PhD, Professor of Biostatistics and Clinical Epidemiology; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Division of Rheumatology, Department of Medicine, Johns Hopkins University. susan.bartlett@mcgill.ca.

Publisher: Journal Of Rheumatology Publishing Co Country of Publication: Canada NLM ID: 7501984 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1499-2752 (Electronic) Linking ISSN: 0315162X NLM ISO Abbreviation: J Rheumatol Subsets: MEDLINE

Klokker L; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Berthelsen DB; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Woodworth T; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Andersen KM; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Furst DE; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Devoe D; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Williamson PR; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Suarez-Almazor ME; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Strand V; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Leong AL; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Goel N; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Boers M; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Brooks PM; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; March L; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Sloan VS; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Tugwell P; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Simon LS; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors.; Christensen R; From the Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital, Denmark; David Geffen School of Medicine, Division of Rheumatology, University of California at Los Angeles (UCLA), Los Angeles; Division of Immunology and Rheumatology, Stanford University, Stanford; Healthy Motivation, and Global Alliance for Musculoskeletal Health, Bone and Joint Decade, Santa Barbara, California; Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center, Houston, Texas; Division of Rheumatology, Duke University School of Medicine, Durham; UCB Bio Sciences Inc., Raleigh, North Carolina; Rutgers-Robert Wood Johnson Medical School, New Brunswick, New Jersey; SDG LLC, Cambridge, Massachusetts, USA; Department of Family Medicine, McGill University, Montreal, Quebec; Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine, Calgary, Alberta; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada; Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center, Amsterdam, the Netherlands; Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne, Melbourne; University of Sydney, Sydney, Australia. Robin.Christensen@regionh.dk.; L. Klokker, PT, MSc, PhD, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; D.B. Berthelsen, PT, MSc, Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; T. Woodworth, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; K. Andersen, MSc, PhD Fellow, Department of Family Medicine, McGill University; D.E. Furst, MD, David Geffen School of Medicine, Division of Rheumatology, UCLA; D. Devoe, BA, MSc, PhD Student, Research Associate, Health Services Research, Department of Medicine, University of Calgary, Cumming School of Medicine; P. Williamson, MSc, PhD, Professor of Medical Statistics, Institute of Translational Medicine, University of Liverpool; M.E. Suarez-Almazor, MD, PhD, Barnts Family Distinguished Professor, Section of Rheumatology and Clinical Immunology, University of Texas MD Anderson Cancer Center; V. Strand, MD, Biopharmaceutical Consultant; A.L. Leong, MBA, President and CEO, Healthy Motivation, and Director of Strategic Relations, Global Alliance for Musculoskeletal Health, Bone and Joint Decade; N. Goel, MD, Vice President, Strategic Drug Development, Advisory Services, Quintiles and Adjunct Assistant Professor, Division of Rheumatology, Duke University School of Medicine; M. Boers, MSc, MD, PhD, Professor of Clinical Epidemiology, Department of Epidemiology and Biostatistics, Amsterdam Rheumatology and Immunology Center, VU University Medical Center; P.M. Brooks, MD, FRACP, Honorary Professor Fellow, Centre for Health Policy Melbourne School of Population and Global Health, University of Melbourne; L. March, PhD, University of Sydney; V.S. Sloan, MD, UCB Bio Sciences Inc., and Clinical Associate Professor of Medicine, Rutgers-Robert Wood Johnson Medical School; P. Tugwell, OC, LRCP, MRCS, MD, MSc, FRCPS, FRCP(UK), FCAHS, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; L.S. Simon, MD, SDG LLC; R. Christensen, BSc, MSc, PhD, Head of Unit, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Research Unit of Rheumatology, Department of Clinical Research, University of Southern Denmark, Odense University Hospital. L. Klokker and D.B. Berthelsen are first co-authors. Robin.Christensen@regionh.dk.

Publisher: Journal Of Rheumatology Publishing Co Country of Publication: Canada NLM ID: 7501984 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1499-2752 (Electronic) Linking ISSN: 0315162X NLM ISO Abbreviation: J Rheumatol Subsets: MEDLINE

March L; Sydney Medical School, Institute of Bone and Joint Research, and Department of Rheumatology, Royal North Shore Hospital, St. Leonards, Australia.; Richards B; Department of Rheumatology, Royal Prince Alfred Hospital, and Sydney Medical School, University of Sydney, Sydney, Australia.; Gill M; OMERACT Patient Research Partner, Dragon Claw, Canberra, Australia.; Brooks PM; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia.; Shea BJ; Ottawa Hospital Research Institute, Clinical Epidemiology Program, Ottawa, Ontario, Canada.; Beaton DE; Institute for Work and Health, and Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Ontario, Canada.; Maxwell LJ; Centre for Practice-Changing Research, Ottawa Hospital Research Institute, and University of Ottawa, Ottawa, Ontario, Canada.; Tunis SR; Center for Medical Technology Policy (CMTP), World Trade Center Baltimore, Baltimore, Maryland, USA.; Grosskleg S; Secretariat, OMERACT, University of Ottawa, Ottawa, Ontario, Canada; admin@omeract.org.; Tugwell P; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.

Publisher: Journal Of Rheumatology Publishing Co Country of Publication: Canada NLM ID: 7501984 Publication Model: Print Cited Medium: Internet ISSN: 1499-2752 (Electronic) Linking ISSN: 0315162X NLM ISO Abbreviation: J Rheumatol Subsets: MEDLINE

Andersen KM; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands. kathleen.andersen@mail.mcgill.ca.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC. kathleen.andersen@mail.mcgill.ca.; Cheah JTL; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; March L; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Bartlett SJ; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Beaton D; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Bingham CO 3rd; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Brooks PM; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Christensen R; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Conaghan PG; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; D'Agostino MA; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; de Wit M; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Dueck AC; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Goodman SM; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Grosskleg S; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Hill CL; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Howell M; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Mackie SL; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Richards B; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Shea B; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Singh JA; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Strand V; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Tugwell P; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Wells GA; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.; Simon LS; From the Department of Family Medicine, and Department of Medicine, McGill University, Montreal, Quebec; Institute for Work & Health, Toronto; OMERACT; Ottawa Hospital Research Institute, Ottawa Hospital; Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Cardiovascular Research Methods Centre, University of Ottawa Heart Institute, Ottawa, Ontario, Canada; Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, Copenhagen; Department of Rheumatology, Odense University Hospital, Odense, Denmark; Division of Rheumatology, Hospital for Special Surgery; Department of Medicine, Weill Cornell Medical School, New York, New York; Division of Rheumatology, Department of Medicine, Johns Hopkins University, Baltimore, Maryland; Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic, Scottsdale, Arizona; Medicine Service, VA Medical Center; Department of Medicine, School of Medicine, University of Alabama at Birmingham; Division of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama; Division of Immunology/Rheumatology, Stanford University, Palo Alto, California; SDG LLC, Cambridge, Massachusetts, USA; Sydney Medical School, and Sydney School of Public Health, University of Sydney; Centre for Kidney Research, The Children's Hospital at Westmead, Sydney; Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District; Department of Rheumatology, Royal North Shore Hospital, Reserve Road, St Leonards; Centre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne; Discipline of Medicine, University of Adelaide; Rheumatology Unit, The Queen Elizabeth Hospital, Woodville; Department of Rheumatology, Royal Prince Alfred Hospital, Camperdown, Australia; Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds; UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Leeds Teaching Hospitals National Health Service (NHS) Trust; NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds, Leeds, UK; Hôpital Ambroise Paré, Rheumatology Department, Boulogne-Billancourt; INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil, Versailles-Saint-Quentin University, Saint-Quentin en Yvelines, France; Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health, Amsterdam, the Netherlands.; K.M. Andersen, MSc, Department of Family Medicine, McGill University, and Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital; J.T. Cheah, MBBS, Rheumatology Fellow, Division of Rheumatology, Hospital for Special Surgery, and Fellow in Medicine, Department of Medicine, Weill Cornell Medicine; L. March, MBBS, MSc, PhD, FRACP, FAFPHM, Sydney Medical School, University of Sydney, and Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, and Department of Rheumatology, Royal North Shore Hospital; S.J. Bartlett, PhD, Professor, Department of Medicine, McGill University, and Adjunct Professor, Department of Medicine, Johns Hopkins University; D. Beaton, BscOT, PhD, Senior Scientist, Institute for Work & Health; C.O. Bingham III, MD, Division of Rheumatology, Department of Medicine, Johns Hopkins University; P.M. Brooks, MD, Centre for Health Policy, School of Population and Global Health, The University of Melbourne; R. Christensen, MSc, PhD, Professor of Biostatistics and Clinical Epidemiology, Musculoskeletal Statistics Unit, The Parker Institute, Bispebjerg and Frederiksberg Hospital, and Department of Rheumatology, Odense University Hospital; P.G. Conaghan, MBBS, PhD, Director, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and Deputy Director, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust; M.A. D'Agostino, MD, PhD, APHP, Hôpital Ambroise Paré, Rheumatology Department, and INSERM U1173, Laboratoire d'Excellence INFLAMEX, UFR Simone Veil; M. de Wit, PhD, Amsterdam University Medical Centre, Department of Medical Humanities, Amsterdam Public Health; A. Dueck, PhD, Division of Biostatistics, Department of Health Sciences Research, Mayo Clinic; S.M. Goodman, MD, Professor of Clinical Medicine, Division of Rheumatology, Hospital for Special Surgery, and Professor of Clinical Medicine, Department of Medicine, Weill Cornell Medical School; S. Grosskleg, OMERACT, and University of Ottawa; C.L. Hill, MBBS, MSc, MD, FRACP, Professor, Discipline of Medicine, University of Adelaide & Rheumatology Unit, The Queen Elizabeth Hospital; M. Howell, PhD, Sydney School of Public Health, The University of Sydney, and Centre for Kidney Research, The Children's Hospital at Westmead; S.L. Mackie, MB BCh, PhD, MRCP, Associate Clinical Professor, NIHR-Leeds Musculoskeletal Biomedical Research Unit, University of Leeds; B. Richards, MBBS (Hons), MClinEpi, MSportsMed, FRACP, Department of Rheumatology, Royal Prince Alfred Hospital; B. Shea, PhD, Clinical Investigator, Ottawa Hospital Research Institute, Ottawa Hospital, and Adjunct Professor, Public Health, Faculty of Medicine, University of Ottawa; J.A. Singh, MBBS, MPH, Medicine Service, VA Medical Center, and Department of Medicine, School of Medicine, University of Alabama at Birmingham, and Division of Epidemiology, School of Public Health, University of Alabama at Birmingham; V. Strand, MD, Biopharmaceutical Consultant, Portola Valley, California, USA; P. Tugwell, MD, MSc, Division of Rheumatology, Department of Medicine, and School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, and Clinical Epidemiology Program, Ottawa Hospital Research Institute; G.A. Wells, MSc, PhD, School of Epidemiology and Public Health, University of Ottawa, and Cardiovascular Research Methods Centre, University of Ottawa Heart Institute; L.S. Simon, MD, SDG LLC.

Publisher: Journal Of Rheumatology Publishing Co Country of Publication: Canada NLM ID: 7501984 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1499-2752 (Electronic) Linking ISSN: 0315162X NLM ISO Abbreviation: J Rheumatol Subsets: MEDLINE

Jamal, Omar S; Conaghan, Philip G; Cunningham, Anne M; Brooks, Peter M; Munro, Vincent F; Scott, Kieran F

Annals of the Rheumatic Diseases. Sep 01, 1998 57(9):550-558