1. Clinic of Pediatric Cardiology , Emergency Institute for Cardiovascular Diseases and Transplantation , Târgu Mureș , Romania
2. “George Emil Palade” University of Medicine, Pharmacy, Science and Technology , Târgu Mureș , Romania
3. IInd Cardiology Clinic, Emergency Institute for Cardiovascular Diseases and Transplantation , Târgu Mureș , Romania
4. Doctoral School of Medicine and Pharmacy , I.O.S.U.D., “George Emil Palade” University of Medicine, Pharmacy, Science and Technology , Târgu Mureș , Romania
5. Clinic of Cardiovascular Surgery , Emergency Institute for Cardiovascular Diseases and Transplantation , Târgu Mureș , Romania