1. Department for Internal Medicine III, Cardiology, Angiology and Intensive Care Medicine, Saarland University Medical Center, Homburg, Germany
2. Department of Medical Sciences, University Cardiology, AOU Città della Salute e della Scienza di Torino and University of Torino, Torino, Italy
3. Clinic for Diagnostic and Interventional Radiology, Saarland University Medical Center, Homburg, Germany
4. Clinic for Nuclear Medicine, Saarland University Medical Center, Homburg, Germany