1. 1Department of Pediatric Endocrinology, Wilhelmina Children’s Hospital (WKZ)/University Medical Center Utrecht (UMCU), Utrecht, The Netherlands
2. 2Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
3. 3Department of Endocrinology, Internal Medicine, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
4. 4Department of Pediatric Endocrinology, Beatrix Children’s Hospital, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
5. 5Department of Radiology and Nuclear Medicine, Imaging Division, University Medical Center Utrecht (UMCU), Utrecht, The Netherlands
6. 6Department of Pediatric Surgery, Pediatric Surgical Center of Amsterdam, Emma Children’s Hospital, Amsterdam University Medical Center, Amsterdam, The Netherlands
7. 7Division of Surgical Oncology, Department of Surgery, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
8. 8Comprehensive Cancer Center, The Netherlands
9. 9Laboratorium voor Pathologie (PAL), Dordrecht, The Netherlands
10. 10Department of Surgery, Cancer Center Amsterdam, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
11. 11Department of Endocrinology, Erasmus Medical Center (EMC), Rotterdam, The Netherlands
12. 12Department of Pediatric Oncology, Beatrix Children’s Hospital, University of Groningen, University Medical Center Groningen (UMCG), Groningen, The Netherlands
13. 13Department of Clinical Genetics, Leiden University Medical Center (LUMC), Leiden, The Netherlands
14. 14Department of Surgery, Wilhelmina Children’s Hospital (WKZ)/University Medical Center Utrecht (UMCU), Utrecht, The Netherlands
15. 15Department of Pediatric Endocrinology, Emma Children’s Hospital, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands