1. Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
2. 1st Department of Cardiovascular Anesthesiology and Intensive Care, Prof. Dr. C. C. Iliescu Emergency Institute for Cardiovascular Diseases, 022328 Bucharest, Romania
3. Faculty of Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
4. Department of Cardiovascular Surgery, Emergency Clinical Hospital Bucharest, 014461 Bucharest, Romania
5. Academy of Romanian Scientists, 50711 Bucharest, Romania