1. School of Medicine, Department of Cardiology, Belgrade + Clinical Centre of Serbia, Belgrade, School of Medicine Department of Internal Medicine and Cardiology, Belgrade
2. School of Medicine, Department of Cardiology, Belgrade
3. Magnetic Resonance Center, Belgrade + Clinical Centre of Serbia, Belgrade School of Medicine, Department of Internal Medicine and Cardiology, Belgrade
4. UKGM GmbH Giessen and Marburg, Marburg Heart Center and Faculty of Medicine, Philipps-University, Marburg, Germany