1. Ro Med Kliniken, Pediatric Nephrology Rosenheim Germany
2. Shriners Hospital for Children, McGill University Montreal Canada
3. Service of Pediatric NephrologyUniversity Hospital Vall d’ Hebron Barcelona Spain
4. Department of NephrologyChildren's University Hospital Dublin Ireland
5. Référence Center for Rare Renal DiseasesHôpital Femme‐Mère‐Enfant Bron France
6. Department of MedicineUniversity Hospital Freiburg Freiburg Germany
7. Division of Pediatric EndocrinologyChildren's Hospital and Polyclinic iSPZ, Dr. v. Haunerschen Kinderspital, University Hospital Munich Munich Germany
8. Department of Orthopaedic SurgeryChildren's University Hospital Dublin Ireland
9. Department of Pediatric NephrologyHôpital Robert‐Debré and University of Paris Diderot Paris France
10. Department of PediatricsBaylor College of Medicine and Texas Children's Hospital Houston Texas
11. National Human Genome Research InstituteNational Institutes of Health Undiagnosed Diseases Program Bethesda Maryland
12. Department of Diagnostic and Interventional RadiologyKlinikum Traunstein Traunstein Germany
13. Children‘s University Hospital Muenster Muenster Germany
14. Schoen Clinic Munich HarlachingSpecialist Centre for Paediatric and Neuro‐Orthopaedics Munich Germany
15. Division of Pediatric NephrologyUniversity Children's Hospital Bonn Germany
16. Kliniken Südostbayern AG, Sozialpädiatrisches Zentrum Traunstein Germany
17. Department of Pediatrics & Development and RegenerationUniversity Hospitals Leuven & Katholieke Universiteit Leuven Leuven Belgium
18. National Institutes of Health, National Human Genome Research Institute (NHGRI) Bethesda Maryland
19. Hospital Universitario Central de AsturiasPediatría Oviedo Spain
20. Department of General PediatricsUniversity Children's Hospital Münster Münster Germany
21. Reference Center of Inherited Metabolic Diseases, Nephrology Unit, Hospital Necker Enfants Malades, APHPUniversity Paris Descartes Paris France
22. Department of Pediatrics, Center of Pediatric Nephrology and Transplantation (CPNT), Kasr Al Ainy Faculty of MedicineCairo University Cairo Egypt
23. Department of Pediatrics, Department of Pediatric NephrologyRo‐Med Kliniken Rosenheim Germany
24. Department of Pediatric NephrologyHacettepe University Faculty of Medicine Ankara Turkey
25. Department of NephrologyNational Medical and Research Center for Children's Health Moscow Russia
26. Pediatric ClinicWildermeth Children's Hospital Biel‐Bienne Switzerland
27. Institute of Osteology and BiomechanicsUniversity Medical Center Hamburg‐Eppendorf, University of Hamburg Hamburg Germany
28. Department of Pediatric Kidney, Liver and Metabolic DiseasesHannover Medical School Hannover Germany