1. Department of Endocrine Oncology, University Medical Center Utrecht, Utrecht, Netherlands
2. Dutch MEN Advocacy Group, Department of Endocrine Oncology, University Medical Center Utrecht, Utrecht, Netherlands
3. Department of Psychosocial Research and Epidemiology, The Netherlands Cancer Institute—Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands
4. Department of Endocrinology and Metabolism, Leiden University Medical Center, Leiden, Netherlands
5. Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, Netherlands
6. Department of Endocrinology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
7. Department of Endocrinology, Radboud University Medical Center, Nijmegen, Netherlands
8. Department of Internal Medicine, Erasmus Medical Center, Rotterdam, Netherlands
9. Department of Internal Medicine, Section of Endocrinology, VU University Medical Center, Amsterdam, Netherlands
10. Department of Endocrinology and Metabolism, Academic Medical Center, Amsterdam, Netherlands
11. Department of Internal Medicine, Division of Endocrinology, Maastricht University Medical Center, Maastricht, Netherlands
12. Department of Endocrine Surgery, University Medical Center Utrecht, Utrecht, Netherlands