1 Medical Department, Division of Cardiology and Angiology, Centre for Cardiovascular Telemedicine, Charité-Universitätsmedizin Berlin, Charité-Platz 1, 10117 Berlin, Germany.
2 Comprehensive Heart Failure Center, University and University Hospital Würzburg, 97078 Würzburg, Germany.
3 Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany.
4 Institute of Pharmacy, Freie Universität Berlin, 12169 Berlin, Germany.