1. Department of Internal Medicine, Division of Endocrinology, Radboud University Medical Center, Nijmegen, The Netherlands
2. Utrecht Center for Research and Development of Health Professions Education, University Medical Center Utrecht, Utrecht, The Netherlands
3. Proteion, Nursing Home Organization, Haelen, The Netherlands
4. Department of Internal Medicine-Endocrinology, Leiden University Medical Center, Leiden, The Netherlands
5. Department of Endocrinology and Metabolism, Amsterdam UMC, Location Academic Medical Center, Amsterdam, The Netherlands
6. Department of Internal Medicine, Amsterdam UMC, Location VU University Medical Center, Amsterdam, The Netherlands
7. Department of Endocrinology, University Medical Center Groningen, Groningen, The Netherlands
8. Department of Endocrinology, University Medical Center Utrecht, Utrecht, The Netherlands