1. Department of Internal Medicine, Academic Center for Thyroid Diseases, Erasmus University Medical Center, 3000 CA Rotterdam, Netherlands
2. Erasmus MC Cancer Institute, Erasmus University Medical Center, 3000 CA Rotterdam, Netherlands
3. Department of Pathology, Erasmus University Medical Center, 3000 CA Rotterdam, Netherlands
4. Department of Clinical Chemistry, Erasmus University Medical Center, 3000 CA Rotterdam, Netherlands
5. Department of Epidemiology, Erasmus University Medical Center, 3000 CA Rotterdam, Netherlands