1. Department of Internal Medicine, Division of Endocrinology, Erasmus MC University Medical Center Rotterdam Rotterdam The Netherlands
2. Obesity Center CGG, Erasmus MC University Medical Center Rotterdam Rotterdam The Netherlands
3. Department of Pediatrics, division of Endocrinology, Erasmus MC‐Sophia Children's Hospital University Medical Center Rotterdam Rotterdam The Netherlands
4. Department of Anesthesiology Erasmus University Medical Center Rotterdam Netherlands
5. Department of Clinical Chemistry, Erasmus MC University Medical Center Rotterdam Rotterdam The Netherlands
6. Department of Clinical Psychology University of Siegen Siegen Germany