부산대학교 도서관

Szulimowska J; Zalewska A; Taranta-Janusz K; Marczuk-Kolada G; Żendzian-Piotrowska M; Maciejczyk M

Journal of Inflammation Research, Vol Volume 16, Pp 1103-1120 (2023)

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

Stéphanie De Rechter; Detlef Bockenhauer; Lisa M. Guay-Woodford; Isaac Liu; Andrew J. Mallett; Neveen A. Soliman; Lucimary C. Sylvestre; Franz Schaefer; Max C. Liebau; Djalila Mekahli; P. Adamczyk; N. Akinci; H. Alpay; C. Ardelean; N. Ayasreh; Z. Aydin; A. Bael; V. Baudouin; U.S. Bayrakci; A. Bensman; H. Bialkevich; A. Biebuyck; O. Boyer; O. Bjanid; A. Bryłka; S. Çalışkan; A. Cambier; A. Camelio; V. Carbone; M. Charbit; B. Chiodini; A. Chirita; N. Çiçek; R. Cerkauskiene; L. Collard; M. Conceiçao; I. Constantinescu; A. Couderc; B. Crapella; M. Cvetkovic; B. Dima; F. Diomeda; M. Docx; N. Dolan; C. Dossier; D. Drozdz; J. Drube; O. Dunand; P. Dusan; L.A. Eid; F. Emma; M. Espino Hernandez; M. Fila; M. Furlano; M. Gafencu; M.S. Ghuysen; M. Giani; M. Giordano; I. Girisgen; N. Godefroid; A. Godron-Dubrasquet; I. Gojkovic; E. Gonzalez; I. Gökçe; J.W. Groothoff; S. Guarino; A. Guffens; P. Hansen; J. Harambat; S. Haumann; G. He; L. Heidet; R. Helmy; F. Hemery; N. Hooman; B. llanas; A. Jankauskiene; P. Janssens; S. Karamaria; I. Kazyra; J. Koenig; S. Krid; P. Krug; V. Kwon; A. La Manna; V. Leroy; M. Litwin; J. Lombet; G. Longo; A.C. Lungu; A. Mallawaarachchi; A. Marin; P. Marzuillo; L. Massella; A. Mastrangelo; H. McCarthy; M. Miklaszewska; A. Moczulska; G. Montini; A. Morawiec-Knysak; D. Morin; L. Murer; I. Negru; F. Nobili; L. Obrycki; H. Otoukesh; S. Özcan; L. Pape; S. Papizh; P. Parvex; M. Pawlak-Bratkowska; L. Prikhodina; A. Prytula; C. Quinlan; A. Raes; B. Ranchin; N. Ranguelov; R. Repeckiene; C. Ronit; R. Salomon; R. Santagelo; S.K. Saygılı; S. Schaefer; M. Schreuder; T. Schurmans; T. Seeman; N. Segers; M. Sinha; E. Snauwaert; B. Spasojevic; S. Stabouli; C. Stoica; R. Stroescu; E. Szczepanik; M. Szczepańska; K. Taranta-Janusz; A. Teixeira; J. Thumfart; M. Tkaczyk; R. Torra; D. Torres; N. Tram; B. Utsch; J. Vande Walle; R. Vieux; R. Vitkevic; A. Wilhelm-Bals; E. Wühl; Z.Y. Yildirim; S. Yüksel; K. Zachwieja

Kidney International Reports, Vol 4, Iss 9, Pp 1271-1284 (2019)

Szulimowska J; Department of Conservative Dentistry, Medical University of Białystok, Białystok, Poland.; Zalewska A; Department of Conservative Dentistry, Medical University of Białystok, Białystok, Poland.; Taranta-Janusz K; Department of Pediatrics and Nephrology, Medical University of Białystok, Białystok, Poland.; Trocka D; Students' Scientific Club 'Biochemistry of Civilization Diseases' at the Department of Hygiene, Epidemiology and Ergonomics, Medical University of Białystok, Białystok, Poland.; Żendzian-Piotrowska M; Department of Hygiene, Epidemiology and Ergonomics, Medical University of Białystok, Białystok, Poland.; Tomasiuk R; Department of Medicine, Faculty of Medical Sciences and Health Sciences, Kazimierz Pułaski University in Radom, Radom, Poland.; Maciejczyk M; Department of Hygiene, Epidemiology and Ergonomics, Medical University of Białystok, Białystok, Poland.

Publisher: International Scientific Information, Inc Country of Publication: United States NLM ID: 9609063 Publication Model: Electronic Cited Medium: Internet ISSN: 1643-3750 (Electronic) Linking ISSN: 12341010 NLM ISO Abbreviation: Med Sci Monit Subsets: MEDLINE

Wasilewska, A; Taranta - Janusz, K; Kuroczycka - Saniutycz, E; Zoch - Zwierz, W

In Advances in Medical Sciences 1 December 2011 56(2):193-199

Taranta-Janusz, K.; Roszkowska, R.; Wasilewska, A.

Indian Pediatrics. December 2015 52(12):1047-1050

Taranta-Janusz, K.; Wasilewska, A.; Szynaka, B.

Irish Journal of Medical Science (1971 -). September 2014 183(3):455-459

van der Zanden LFM; Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands.; Maj C; Institute for Genomic Statistics and Bioinformatics, Medical Faculty, University of Bonn, Bonn, Germany.; Borisov O; Institute for Genomic Statistics and Bioinformatics, Medical Faculty, University of Bonn, Bonn, Germany.; van Rooij IALM; Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands.; Quaedackers JSLT; Department of Urology, University Medical Center Groningen, Groningen, Netherlands.; Steffens M; Department of Urology, Isala, Zwolle, Netherlands.; Schierbaum L; Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany.; Schneider S; Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany.; Waffenschmidt L; Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany.; Kiemeney LALM; Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands.; de Wall LLL; Division of Pediatric Urology, Department of Urology, Radboud Institute for Molecular Life Sciences, Radboudumc Amalia Children's Hospital, Nijmegen, Netherlands.; Heilmann S; Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany.; Hofmann A; Department of Pediatric Urology, Clinic St. Hedwig, University Medical Center Regensburg, Regensburg, Germany.; Gehlen J; Center for Human Genetics, University Hospital of Marburg, Marburg, Germany.; Schumacher J; Center for Human Genetics, University Hospital of Marburg, Marburg, Germany.; Szczepanska M; Department of Pediatrics, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland.; Taranta-Janusz K; Department of Pediatrics and Nephrology, Medical University of Białystok, Białystok, Poland.; Kroll P; Neurourology Unit, Pediatric Surgery and Urology Clinic, Poznań, Poland.; Krzemien G; Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw, Poland.; Szmigielska A; Department of Pediatrics and Nephrology, Medical University of Warsaw, Warsaw, Poland.; Schreuder MF; Department of Pediatric Nephrology, Radboud Institute for Molecular Life Sciences, Radboudumc Amalia Children's Hospital, Nijmegen, Netherlands.; Weber S; University Children Hospital Marburg, Philipps University Marburg, Marburg, Germany.; Zaniew M; Department of Pediatrics, University of Zielona Góra, Zielona Góra, Poland.; Roeleveld N; Department for Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, Netherlands.; Reutter H; Division of Neonatology and Pediatric Intensive Care, Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany.; Feitz WFJ; Division of Pediatric Urology, Department of Urology, Radboud Institute for Molecular Life Sciences, Radboudumc Amalia Children's Hospital, Nijmegen, Netherlands.; Hilger AC; Institute of Human Genetics, School of Medicine and University Hospital Bonn, University of Bonn, Bonn, Germany.; Department of Pediatrics and Adolescent Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Erlangen, Germany.; Research Center on Rare Kidney Diseases, University Hospital Erlangen, Erlangen, Germany.

Publisher: Frontiers Media SA Country of Publication: Switzerland NLM ID: 101615492 Publication Model: eCollection Cited Medium: Print ISSN: 2296-2360 (Print) Linking ISSN: 22962360 NLM ISO Abbreviation: Front Pediatr Subsets: PubMed not MEDLINE

De Rechter, Stephanie; Bockenhauer, Detlef; Guay-Woodford, Lisa M.; Liu, Isaac; Mallett, Andrew J.; Soliman, Neveen A.; Sylvestre, Lucimary C.; Schaefer, Franz; Liebau, Max C.; Mekahli, Djalila; Adamczyk, P.; Akinci, N.; Alpay, H.; Ardelean, C.; Ayasreh, N.; Aydin, Z.; Bael, A.; Baudouin, V; Bayrakci, U. S.; Bensman, A.; Bialkevich, H.; Biebuyck, A.; Boyer, O.; Bjanid, O.; Brylka, A.; Caliskan, S.; Cambier, A.; Camelio, A.; Carbone, V; Charbit, M.; Chiodini, B.; Chirita, A.; Cicek, N.; Cerkauskiene, R.; Collard, L.; Conceicao, M.; Constantinescu, I; Couderc, A.; Crapella, B.; Cvetkovic, M.; Dima, B.; Diomeda, F.; Docx, M.; Dolan, N.; Dossier, C.; Drozdz, D.; Drube, J.; Dunand, O.; Dusan, P.; Eid, L. A.; Emma, F.; Espino Hernandez, M.; Fila, M.; Furlano, M.; Gafencu, M.; Ghuysen, Ms; Giani, M.; Giordano, M.; Girisgen, I; Godefroid, N.; Godron-Dubrasquet, A.; Gojkovic, I; Gonzalez, E.; Gokce, I; Groothoff, J. W.; Guarino, S.; Guffens, A.; Hansen, P.; Harambat, J.; Haumann, S.; He, G.; Heidet, L.; Helmy, R.; Hemery, F.; Hooman, N.; Ilanas, B.; Jankauskiene, A.; Janssens, P.; Karamaria, S.; Kazyra, I; Koenig, J.; Krid, S.; Krug, P.; Kwon, V; La Manna, A.; Leroy, V; Litwin, M.; Lombet, J.; Longo, G.; Lungu, A. C.; Mallawaarachchi, A.; Marin, A.; Marzuillo, P.; Massella, L.; Mastrangelo, A.; McCarthy, H.; Miklaszewska, M.; Moczulska, A.; Montini, G.; Morawiec-Knysak, A.; Morin, D.; Murer, L.; Negru, I; Nobili, F.; Obrycki, L.; Otoukesh, H.; Ozcan, S.; Pape, L.; Papizh, S.; Parvex, P.; Pawlak-Bratkowska, M.; Prikhodina, L.; Prytula, A.; Quinlan, C.; Raes, A.; Ranchin, B.; Ranguelov, N.; Repeckiene, R.; Ronit, C.; Salomon, R.; Santagelo, R.; Saygili, S. K.; Schaefer, S.; Schreuder, M.; Schurmans, T.; Seeman, T.; Segers, N.; Sinha, M.; Snauwaert, E.; Spasojevic, B.; Stabouli, S.; Stoica, C.; Stroescu, R.; Szczepanik, E.; Szczepanska, M.; Taranta-Janusz, K.; Teixeira, A.; Thumfart, J.; Tkaczyk, M.; Torra, R.; Torres, D.; Tram, N.; Utsch, B.; Vande Walle, J.; Vieux, R.; Vitkevic, R.; Wilhelm-Bals, A.; Wuehl, E.; Yildirim, Z. Y.; Yuksel, S.; Zachwieja, K.; ADPedKD Consortium

KIDNEY INTERNATIONAL REPORTS; SEP 2019, 4 9, p1271-p1284, 14p.

A Okruszko M; Department of Pediatrics, Endocrinology, Diabetology with Cardiology Division, Medical University of Bialystok, Poland.; Szabłowski M; Department of Pediatrics, Endocrinology, Diabetology with Cardiology Division, Medical University of Bialystok, Poland.; Pochodowicz K; Department of Pediatrics, Endocrinology, Diabetology with Cardiology Division, Medical University of Bialystok, Poland.; Taranta-Janusz K; Department of Pediatrics and Nephrology, Medical University of Bialystok, Poland.; Bossowski A; Department of Pediatrics, Endocrinology, Diabetology with Cardiology Division, Medical University of Bialystok, Poland.; Głowińska-Olszewska B; Department of Pediatrics, Endocrinology, Diabetology with Cardiology Division, Medical University of Bialystok, Poland.

Publisher: Termedia Country of Publication: Poland NLM ID: 101518750 Publication Model: Print Cited Medium: Internet ISSN: 2083-8441 (Electronic) Linking ISSN: 20838441 NLM ISO Abbreviation: Pediatr Endocrinol Diabetes Metab Subsets: MEDLINE