1. Nephrology and Transplantation Department, Centre de référence des Maladies Rénales Héréditaires de l'Enfant et de l'Adulte Necker Hospital, APHP, Université de Paris Paris France
2. Department of Internal Medicine Radboud University Medical Centre Nijmegen Netherlands
3. Department of Renal Medicine Queen Elizabeth Hospital Birmingham Birmingham UK
4. Division of Nephrology Bambino Gesù Children's Hospital IRCCS Rome Italy
5. Nephrology and Renal Function Unit, Edouard Herriot Hospital, Hospices Civils de Lyon University of Lyon, Centre de Reference des Maladies Rénales et Phosphocalciques Rares Néprhogones Lyon France
6. Department of Nephrology Clinica Universidad de Navarra, Navarra Institute for Health Research (IdiSNA) Pamplona Spain
7. Department of Nephrology and Transplantation Guy's and St Thomas’ Hospital London UK
8. Division of Pediatric Nephrology University Hospitals Leuven & Department of Development and Regeneration, Katholieke Universiteit Leuven Leuven Belgium