1. Obesity Center CGG, Erasmus MC University Medical Center Rotterdam Rotterdam The Netherlands
2. Department of Pediatrics, Division of Endocrinology Erasmus MC‐Sophia Children's Hospital, University Medical Center Rotterdam Rotterdam The Netherlands
3. Department of Internal Medicine, Division of Endocrinology Erasmus MC, University Medical Center Rotterdam Rotterdam The Netherlands
4. Department of Pediatrics, Division of Endocrinology Willem‐Alexander Children's Hospital, Leiden University Medical Center Leiden The Netherlands
5. Department of Clinical Genetics Amsterdam UMC, University of Amsterdam Amsterdam The Netherlands
6. Department of Internal Medicine Sint Jansdal Hospital Harderwijk The Netherlands
7. Department of Clinical Genetics Amsterdam UMC, Vrije Universiteit Amsterdam Amsterdam The Netherlands