부산대학교 도서관

Caliskan, S.; Dogan, A.; Sahin, U. R.

Experimental Heat Transfer. 2022, Vol. 35 Issue 5, p611-636. 26p.

Amanda Alvarez; Aylin Caliskan; M. J. Crockett; Shirley S. Ho; Lisa Messeri; Jevin West

Nature, Nature Human Behaviour. 8(4):625-627

Lipska-Zietkiewicz, BS; Iatropoulos, P; Maranta, R; Caridi, G; Ozaltin, F; Anarat, A; Balat, A; Gellermann, J; Trautmann, A; Erdogan, O; Saeed, B; Emre, S; Bogdanovic, R; Azocar, M; Balasz-Chmielewska, I; Benetti, E; Caliskan, S; Mir, S; Melk, A; Ertan, P; Baskin, E; Jardim, H; Davitaia, T; Wasilewska, A; Drozdz, D; Szczepanska, M; Jankauskiene, A; Higuita, LMS; Ardissino, G; Ozkaya, O; Kuzma-Mroczkowska, E; Soylemezoglu, O; Ranchin, B; Medynska, A; Tkaczyk, M; Peco-Antic, A; Akil, I; Jarmolinski, T; Firszt-Adamczyk, A; Dusek, J; Simonetti, GD; Gok, F; Gheissari, A; Emma, F; Krmar, RT; Fischbach, M; Printza, N; Simkova, E; Mele, C; Ghiggeri, GM; Schaefer, F

Kidney international. 84(1):206-213

Kaya C; Ondokuz Mayis University, School of Medicine, Department of Anesthesiology, Kurupelit, Turquia. Electronic address: cengiz.kaya@omu.edu.tr.; Atalay YO; Ondokuz Mayis University, School of Medicine, Department of Radiology, Kurupelit, Turquia.; Meydan BC; Ondokuz Mayis University, School of Medicine, Department of Pathology, Kurupelit, Turquia.; Ustun YB; Ondokuz Mayis University, School of Medicine, Department of Anesthesiology, Kurupelit, Turquia.; Koksal E; Ondokuz Mayis University, School of Medicine, Department of Anesthesiology, Kurupelit, Turquia.; Caliskan S; Ondokuz Mayis University, School of Medicine, Department of Pathology, Kurupelit, Turquia.

Publisher: Elsevier Editora Ltda Country of Publication: Brazil NLM ID: 101624623 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2352-2291 (Electronic) Linking ISSN: 01040014 NLM ISO Abbreviation: Braz J Anesthesiol Subsets: MEDLINE

Morello W; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Baskin E; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Jankauskiene A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Yalcinkaya F; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Zurowska A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Puccio G; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Serafinelli J; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; La Manna A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Krzemień G; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Pennesi M; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; La Scola C; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Becherucci F; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Brugnara M; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Yuksel S; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Mekahli D; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Chimenz R; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; De Palma D; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Zucchetta P; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Vajauskas D; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Drozdz D; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Szczepanska M; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Caliskan S; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Lombet J; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Minoli DG; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Guarino S; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Gulleroglu K; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Ruzgiene D; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Szmigielska A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Barbi E; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Ozcakar ZB; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Kranz A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Pasini A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Materassi M; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; De Rechter S; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Ariceta G; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Weber LT; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Marzuillo P; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Alberici I; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Taranta-Janusz K; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Caldas Afonso A; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Tkaczyk M; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Català M; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Cabrera Sevilla JE; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Mehls O; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Schaefer F; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).; Montini G; From the Pediatric Nephrology, Dialysis, and Transplant Unit (W.M., G.P., J.S., G.M.) and the Pediatric Urology Unit (D.G.M.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, and the Department of Clinical Sciences and Community Health, University of Milan (G.M.), Milan, the Department of General and Specialized Surgery for Women and Children, Università degli Studi della Campania 'Luigi Vanvitelli,' Naples (A.L.M., S.G., P.M.), the Institute for Maternal and Child Health-IRCCS Burlo Garofolo (M.P., E. Barbi) and the Department of Medical, Surgical, and Health Sciences, University of Trieste (E. Barbi), Trieste, Pediatric Nephrology and Dialysis, Pediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna (C.L.S., A.P.), the Nephrology and Dialysis Unit, Meyer Children's Hospital, Florence (F.B., M.M.), Pediatria C, Ospedale Donna Bambino, Verona (M.B.), the Pediatric Nephrology and Rheumatology Unit, Azienda Ospedaliera Universitaria Gaetano Martino, University of Messina, Messina (R.C.), the Nuclear Medicine Unit, Circolo Hospital and Macchi Foundation, Azienda Socio Sanitaria Territoriale Sette Laghi, Varese (D.D.P.), the Nuclear Medicine Unit, Department of Medicine, University Hospital of Padua (P.Z.), and the Pediatric Nephrology, Dialysis, and Transplantation Unit, Department of Women's and Children's Health, University of Padua (I.A.), Padua - all in Italy; the Department of Pediatric Nephrology, Başkent University Faculty of Medicine (E. Baskin, K.G.), and the Department of Pediatric Nephrology, Ankara University School of Medicine (F.Y., Z.B.O.), Ankara, the Department of Pediatric Nephrology and Pediatric Rheumatology, Pamukkale University School of Medicine, Denizli (S.Y.), and the Department of Pediatric Nephrology, Istanbul University-Cerrahpaşa, Cerrahpaşa School of Medicine, Istanbul (S.C.) - all in Turkey; the Pediatric Center, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius (A.J., D.R.), and the Department of Radiology, Medical Academy, Lithuanian University of Health Sciences Kauno Klinikos, Kaunas (D.V.) - both in Lithuania; the Department of Pediatrics, Nephrology, and Hypertension, Medical University of Gdansk, Gdansk (A.Z., A.K.), the Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw (G.K., A.S.), the Department of Pediatric Nephrology and Hypertension, Chair of Pediatrics, Pediatric Institute, Jagiellonian University Medical College, Krakow (D.D.), the Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice (M.S.), the Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok (K.T.-J.), and the Department of Pediatrics, Immunology, and Nephrology, Polish Mother's Memorial Hospital Research Institute, Lodz (M.T.) - all in Poland; the Department of Pediatric Nephrology, University Hospitals Leuven (D.M., S.D.R.), and PKD Research Group, Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven (D.M.), Leuven, and the Division of Nephrology, Department of Pediatrics, University Hospital Center of Liège, Liège (J.L.) - all in Belgium; the Department of Pediatric Nephrology, University Hospital Vall d'Hebron, and Universidad Autónoma de Barcelona, Hospital Vall d'Hebron (G.A.), and Pediatric Nephrology, Hospital General de Granollers, Universitat Internacional de Catalunya (M.C.), Barcelona, and Hospital General Universitario Santa Lucía, Cartagena (J.E.C.S.) - all in Spain; the University of Cologne, Faculty of Medicine and University Hospital Cologne, Children's and Adolescents' Hospital, Cologne (L.T.W.), and the Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg University Hospital, Heidelberg (O.M., F.S.) - both in Germany; and the Division of Pediatric Nephrology, Centro Materno Infantil do Norte, Centro Hospitalar Universitário do Porto, Porto, Portugal (A.C.A.).

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE

Gunay-Polatkan S; Bursa Uludag University Faculty of Medicine, Department of Cardiology, Gorukle/Bursa, Turkey.; Caliskan S; Istanbul Bahcelievler State Hospital Department of Cardiology, Bahcelievler/Istanbul, Turkey.; Sigirli D; Bursa Uludag University Faculty of Medicine, Department of Biostatistics, Gorukle/Bursa, Turkey.

Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE

Caliskan, S. Y.; Tabuada, P.

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