1. Multidisciplinary Heart Research Center, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
2. Department of Internal Medicine I, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
3. Department of Cardiology, Victor Babes University of Medicine and Pharmacy, 300041 Timisoara, Romania
4. Department of Cardiology, Western University Vasile Goldis, 310025 Arad, Romania