1. Department of Internal Medicine III—Cardiology and Angiology, Medical University Innsbruck , Anichstrasse 35, 6020 Innsbruck , Austria
2. Department of Internal Medicine IV, Elisabethinen Hospital , Seilerstätte 4, 4010 Linz , Austria
3. Cardiopathology Department, Institute for Pathology and Neuropathology, Tübingen University Hospital , Liebermeisterstr. 8, 72076 Tübingen , Germany
4. Department of Internal Medicine, Landesklinikum Waidhofen/Ybbs , Ybbsitzerstraße 112, 3340 Waidhofen an der Ybbs , Austria