1. 10th Clinical Department—General Surgery, Discipline of General Surgery—“Bagdasar-Arseni” Clinical Emergency Hospital, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 37 Dionisie Lupu Street, 020021 Bucharest, Romania
2. General Surgery Department, “Bagdasar-Arseni” Clinical Emergency Hospital, 12 Berceni Road, 041915 Bucharest, Romania
3. 2nd Department of Surgery and General Anesthesia, Discipline of Surgery and General Anesthesia—“Sf. Ioan” Clinical Emergency Hospital, Faculty of Dental Medicine, “Carol Davila” University of Medicine and Pharmacy, 37 Dionisie Lupu Street, 020021 Bucharest, Romania
4. General Surgery Department, “Sf. Ioan” Clinical Emergency Hospital, 13 Vitan-Bârzeşti Road, 042122 Bucharest, Romania
5. 10th Clinical Department—General Surgery, Discipline of General Surgery—“Colţea” Clinical Hospital, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 37 Dionisie Lupu Street, 020021 Bucharest, Romania
6. General Surgery Department, “Colţea” Clinical Hospital, 1 Ion C. Brătianu Boulevard, 030167 Bucharest, Romania
7. Faculty of Medicine, “Titu Maiorescu” University, 67A Gheorghe Petraşcu Street, 031593 Bucharest, Romania
8. Department of Anesthesia and Intensive Care, CF2 Clinical Hospital, 63 Mărăşti Boulevard, 011464 Bucharest, Romania
9. 10th Clinical Department—General Surgery, Discipline of General Surgery—“Dr. Carol Davila” Clinical Nephrology Hospital, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy, 37 Dionisie Lupu Street, 020021 Bucharest, Romania
10. General Surgery Department, “Dr. Carol Davila” Clinical Nephrology Hospital, 4 Griviţei Road, 010731 Bucharest, Romania
11. Pathology Department, “Bagdasar-Arseni” Clinical Emergency Hospital, 12 Berceni Road, 041915 Bucharest, Romania