1. Department of Otorhinolaryngology - Head and Neck Surgery; VU University Medical Center; Amsterdam the Netherlands
2. Department of Endocrinology and Metabolic Diseases; Leiden University Medical Center; Leiden the Netherlands
3. Department of Epidemiology and Biostatistics; VU University Medical Center; Amsterdam the Netherlands
4. Department for Health Evidence; Radboud University medical center; Nijmegen the Netherlands
5. Department of Endocrinology, University of Groningen; University Medical Center Groningen; Groningen the Netherlands
6. Department of Otorhinolaryngology; Leiden University Medical Center; Leiden the Netherlands
7. Division of Endocrinology, Department of Internal Medicine; Radboud University Medical Center; Nijmegen the Netherlands
8. Department of Otorhinolaryngology - Head and Neck Surgery, Radboud Institute of Health Sciences; Radboud University Medical Center; Nijmegen the Netherlands
9. Department of Endocrinology and Metabolism, Academic Medical Center; University of Amsterdam; Amsterdam the Netherlands
10. Department of Endocrinology; University Medical Centre Utrecht; Utrecht the Netherlands
11. Department of Clinical Genetics, Erasmus MC; University Medical Center Rotterdam; Rotterdam the Netherlands
12. Department of Clinical Genetics; Leiden University Medical Center; Leiden the Netherlands
13. Department of Otorhinolaryngology - Head and Neck Surgery; Leiden University Medical Center; Leiden the Netherlands