1. Department of Internal Medicine; Centres Hospitaliers Jolimont; Haine Saint-Paul Belgium
2. Amgen GmbH; Munich Germany
3. Amgen (Europe) GmbH; Zug Switzerland
4. Clinical Institute of Medical and Chemical Laboratory Diagnostics; Medical University Graz; Graz Austria
5. Medical Clinic V (Nephrology, Hypertensiology, Rheumatology, Endocrinology, Diabetology); Medical Faculty Mannheim; University of Heidelberg; Heidelberg Germany
6. Synlab Academy; Synlab Holding Deutschland GmbH; Mannheim and Augsburg Germany
7. Polyclinic for Endocrinology, Diabetes and Preventive Medicine (PEDP); University of Cologne; Cologne Germany