1. Medical Clinic V (Nephrology, Hypertensiology, Endocrinology, Diabetology, Rheumatology); Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
2. Department of Internal Medicine II - Cardiology; University of Ulm Medical Centre; Ulm Germany
3. Division of Cardiology; Department of Internal Medicine II; Medical University of Vienna; Vienna Austria
4. Zena and Michael A. Wiener Cardiovascular Institute; Mount Sinai School of Medicine; New York NY USA
5. Division of Endocrinology and Metabolism; Department of Internal Medicine; Medical University of Graz; Graz Austria
6. Division of Cardiology; Department of Internal Medicine; Medical University of Graz; Graz Austria
7. Department of Angiology; Swiss Cardiovascular Center; Inselspital; University of Bern Switzerland
8. Clinical Institute of Medical and Chemical Laboratory Diagnostics; Medical University of Graz; Graz Austria
9. Synlab Academy; Synlab Services GmbH; Mannheim Germany