Author information:
(1)Department of Pediatric Subspecialties, Division of Nephrology, Bambino Gesù 
Children's Hospital-IRCCS, Rome, Italy. Electronic address: 
francesco.emma@opbg.net.
(2)Renal Unit, Great Ormond Street Hospital for Children, NHS Foundation Trust, 
London, UK.
(3)Department of Pediatric Nephrology, Children's Hospital RoMed Clinics 
Rosenheim, Rosenheim, Germany.
(4)Department of Pediatric Nephrology, Hacettepe University School of Medicine, 
Ankara, Turkey.
(5)Department of Pediatric Subspecialties, Division of Nephrology, Bambino Gesù 
Children's Hospital-IRCCS, Rome, Italy.
(6)Division of Pediatric Nephrology, Hospital Universitari Vall d' Hebron, 
Barcelona, Spain.
(7)Renal Unit, Great Ormond Street Hospital for Children, NHS Foundation Trust, 
London, UK; Department of Renal Medicine, University College London, London, UK.
(8)Department of Pediatric Nephrology and Development and Regeneration, 
University Hospitals Leuven, Leuven, Belgium.
(9)Department of Pediatrics II, University Hospital Essen, University of 
Duisburg-Essen, Essen, Germany.
(10)Department of Paediatric Nephrology, Birmingham Women's and Children's 
Hospital NHS Trust, Birmingham, UK.
(11)Department of Pediatric Nephrology, Hacettepe University School of Medicine, 
Ankara, Turkey; Nephrogenetic Laboratory, Hacettepe University School of 
Medicine, Ankara, Turkey.
(12)Paris Descartes University, Imagine Institute, Inserm U1163, Paris, France; 
Adult Nephrology and Transplantation, Centre de Référence des Maladies Rénales 
Héréditaires de l'Enfant et de l'Adulte, Necker Hospital, Paris, France.
(13)Department of Pediatric Nephrology, Robert Debré Hospital, University of 
Paris, Paris, France.
(14)Department of Paediatric Nephrology, University Hospital of Lille, Lille, 
France.
(15)Hospices Civils de Lyon, Centre de Référence Maladies Rénales Rares, Lyon, 
France.
(16)Department of Pediatric Nephrology, Pediatric Hepatology and Pediatric 
Transplantation, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
(17)Department of Pediatric Nephrology, Radboud University Medical Center, 
Amalia Children's Hospital, Nijmegen, the Netherlands.
(18)Department of Internal Medicine, Radboud University Medical Center, 
Nijmegen, the Netherlands.
(19)Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover 
Medical School, Hannover, Germany.
(20)Clinical Pathways and Epidemiology Unit, Medical Direction, Bambino Gesù 
Children's Hospital-IRCCS, Rome, Italy.
(21)Paris Descartes University, Imagine Institute, Laboratory of Hereditary 
Kidney Diseases, INSERM UMR 1163, Paris, France; Department of Genetics, AP-HP, 
Hôpital Necker-Enfants Malades, Paris, France.
(22)Division of Nephrology, Cliniques Universitaires Saint-Luc, UCLouvain, 
Brussels, Belgium; Mechanisms of Inherited Kidney Disorders Group, University of 
Zurich, Zurich, Switzerland.
(23)Pediatric Nephrology, Hôpital Necker-Enfants Malades, Paris University, 
Paris, France.