Division of Endocrinology and Metabolism, Department of Internal Medicine, Medical University of Graz, Graz, Austria. Swiss Cardiovascular Center Bern, Department of Cardiology, Bern University Hospital, Bern, Switzerland. Department of Cardiology, Medical University of Graz, Graz, Austria. Department of Radiology, Dalio Institute of Cardiovascular Imaging, New York-Presbyterian Hospital and the Weill Cornell Medical College, New York, NY. Institute of Experimental and Clinical Pharmacology, Medical University of Graz, Graz, Austria. Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria. Department of Cardiology, Campus Virchow, Charité University, Berlin, Germany. Synlab Academy, Synlab Services GmbH, Mannheim, Germany. Specialist Clinic for Rehabilitation Bad Aussee, Bad Aussee, Austria. Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands.