1. Department of Thoracic Surgery, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
2. Department of Thoracic Surgery, ‘Marius Nasta’ National Institute of Pneumophtisiology, 050159 Bucharest, Romania
3. Department of Urology, ‘Fundeni’ Clinical Institute, 022328 Bucharest, Romania
4. Department of Anesthesiology, ‘Fundeni’ Clinical Institute, 022328 Bucharest, Romania
5. Department of Oncology, ‘Prof. Dr. Al. Trestioreanu’ Institute of Oncology, 022328 Bucharest, Romania
6. Department of Internal Medicine, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
7. Department of Visceral Surgery, ‘Ponderas’ Academic Hospital, 021188 Bucharest, Romania
8. Department of Cardiac Surgery, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
9. Department of Urology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
10. Department of Anaesthesia and Intensive Care, ‘Ilfov’ County Emergency Hospital, 022104 Bucharest, Romania
11. Department of Obstetrics and Gynecology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania