1. Department of Internal Medicine; Centre for Diabetes and Vascular Medicine; Franciscus Gasthuis; Rotterdam the Netherlands
2. Department of Clinical Chemistry; Franciscus Gasthuis; Rotterdam the Netherlands
3. Department of Statistics and Education; Franciscus Gasthuis; Rotterdam the Netherlands
4. Department of Cardiology; Franciscus Gasthuis; Rotterdam the Netherlands
5. Department of Endocrinology; Erasmus Medical Center; Rotterdam the Netherlands