1. Department of Thoracic Surgery, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 020021, Romania
2. Department of Internal Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 020021, Romania
3. Department of Cardiovascular Surgery, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 020021, Romania
4. Department of Marketing and Medical Technology, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 020021, Romania
5. Department of Anesthesiology and Intensive Care, Emergency University Hospital, Bucharest 050098, Romania
6. Department of Surgery, ‘Ponderas’ Academic Hospital, Bucharest 021188, Romania
7. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, Bucharest 020021, Romania