1. Department of Cardiovascular Surgery, University of Medicine and Pharmacy of Craiova , Petru Rares nr. 2, 200349 Craiova , Romania
2. Department of Cardiology, University of Medicine and Pharmacy of Craiova , Romania Petru Rares nr. 2 , 200349 Craiova, Romania
3. Clinic of Cardiovascular Surgery, Emergency Institute for Cardiovascular Diseases and Transplantation , Str. Gh. Marinescu nr. 50, 540136 Târgu Mureş , Romania