1 Department of Pediatric Nephrology, Reference center for Idiopathic Nephrotic Syndrome in Children and Adults, Imagine Institute, Paris University, Necker Hospital, APHP, Paris, France. olivia.boyer@aphp.fr.
2 Laboratory of Hereditary Kidney Diseases, Imagine Institute, INSERM U1163, Paris Descartes University, Paris, France. olivia.boyer@aphp.fr.
3 Division of Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, Heidelberg, Germany.
4 Department of Pediatric Kidney, Liver and Metabolic Diseases, Children's Hospital, Hannover Medical School, Hannover, Germany.
5 Center for Congenital Kidney Diseases, Center for Rare Diseases, Hannover Medical School, Hannover, Germany.
6 UCL Department of Renal Medicine and Renal Unit, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
7 Department of Pediatric Nephrology and Transplantation, The New Children's Hospital, HUS Helsinki University Hospital, Helsinki, Finland.
8 Department of Pediatric Nephrology, Reference center for Idiopathic Nephrotic Syndrome in Children and Adults, Imagine Institute, Paris University, Necker Hospital, APHP, Paris, France.
9 Patient representative, London, UK.
10 Clinical Genetics Unit, Department of Biology and Medical Genetics, Medical University of Gdańsk, Gdańsk, Poland.
11 Centre for Rare Diseases, Medical University of Gdańsk, Gdańsk, Poland.
12 Department of Pediatric Nephrology and Nephrogenetics Laboratory, Hacettepe University Faculty of Medicine, Ankara, Turkey.
13 Division of Pediatric Nephrology, Department of Pediatrics, University Hospitals Leuven; Department of Development & Regeneration, University of Leuven, Leuven, Belgium.
14 Division of Nephrology and Dialysis, Department of Pediatric Subspecialties, Bambino Gesù Pediatric Hospital Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy.