1. Department of Medicine Division of Endocrinology, and Center for Endocrine Tumors Leiden University Medical Center Leiden the Netherlands
2. Department of Ophthalmology Leiden University Medical Center Leiden the Netherlands
3. Department of Internal Medicine Division of Endocrinology Erasmus MC University Medical Center Rotterdam Rotterdam the Netherlands
4. Department of Medicine Division of Epidemiology Leiden University Medical Center Leiden the Netherlands
5. Department of Ophthalmology Amsterdam University Medical Centers Academic Medical Center University of Amsterdam Amsterdam the Netherlands