1. Department of Internal Medicine I University Hospital Aachen RWTH Aachen University Germany
2. Department of Cardiology and Nephrology Rhein‐Maas Klinikum Würselen Germany
3. AGAPLESION MARKUS KRANKENHAUS Frankfurt am Main Germany
4. Department of Cardiology Kantonsspital St. Gallen St. Gallen Switzerland
5. Department of Internal Medicine, Cardiology Kantonsspital Baselland Liestal Switzerland
6. Heart Center, Luzerner Kantonsspital Lucerne Switzerland
7. Department of Cardiology University Hospital Basel Basel Switzerland
8. Department of Cardiology Maastricht University Medical Center Maastricht The Netherlands