1. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. Department of Internal Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
3. Department of Surgery, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
4. Department of Marketing and Medical Technology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
5. Department of Thoracic Surgery, ‘Marius Nasta’ National Institute of Pneumology, 050159 Bucharest, Romania
6. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
7. Department of Surgery, ‘Ponderas’ Academic Hospital, 021188 Bucharest, Romania