1. Department of Physiology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center , Nijmegen , The Netherlands
2. Department of Pediatric Nephrology, Olgahospital, Clinics of Stuttgart , Stuttgart , Germany
3. Department of Internal Medicine, Erasmus MC, Erasmus University Medical Center , Rotterdam , the Netherlands
4. Pediatric Nephrology, Department of General Pediatrics, University Children`s Hospital Münster , Münster , Germany
5. Department of Pediatrics, University of Pennsylvania Perelman School of Medicine , Philadelphia, PA 19104 , USA
6. Division of Endocrinology and Diabetes and Center for Bone Health, The Children’s Hospital of Philadelphia , Philadelphia, PA 19104 , USA
7. Center for Applied Genomics, The Children’s Hospital of Philadelphia , Philadelphia, PA 19104 , USA
8. Pediatric Nephrology, Department of Pediatrics, Medical University Graz , Graz , Austria
9. Institute of Cardiovascular and Medical Sciences, University of Glasgow , UK
10. Department of Endocrinology , Glasgow Royal Infirmary, Glasgow , UK
11. Department of Endocrinology, Queen Elizabeth University Hospital , Glasgow , UK
12. Research Institute of the McGill University Health Centre, McGill University , Montreal, Quebec , Canada
13. Oxford Kidney Unit, Oxford University Hospitals , UK
14. Trapp-Department of Pediatrics, University of Connecticut School of Medicine , Farmington, CT
15. Division of Endocrinology, Connecticut Children's Medical Center , Hartford, CT