1. Cantonal Hospital St. Gallen, St. Gallen, Switzerland
2. Department of Internal Medicine I, University of Lübeck, Lübeck, Germany
3. eSwiss Medical & Surgical Center, St. Gallen, Switzerland
4. Exercise Physiology Lab, Institute of Human Movement Sciences and Sport, ETH Zurich, Zurich, Switzerland
5. Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zurich, Switzerland