1. Institute of Pharmacology, University of Bern, Bern, Switzerland
2. Clinic of Angiology, University Hospital Zurich, Zurich, Switzerland
3. Department of Internal Medicine, Cantonal Hospital Baden, Baden, Switzerland
4. Clinic of Angiology, University Hospital Lausanne, Lausanne, Switzerland
5. Department of Internal Medicine, University Hospital Basel, Basel, Switzerland
6. Division of General Internal Medicine, Bern University Hospital, Bern, Switzerland
7. Department of Internal Medicine, Cantonal Hospital Fribourg, Villars-sur-Glâne, Switzerland
8. Department of Internal Medicine, Cantonal Hospital Obwalden, Sarnen, Switzerland
9. Department of Internal Medicine, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
10. Department of Internal Medicine, Regional Hospital Burgdorf, Burgdorf, Switzerland
11. European Center of Pharmaceutical Medicine, University of Basel, Basel, Switzerland