1. “Carol Davila” Hospital Surgery, Bucharest 010731, Romania
2. “Carol Davila” University of Medicine and Pharmacy, Bucharest 020021, Romania
3. Clinic I of General and Oncological Surgery, Bucharest, Romania
4. “Prof. Dr. Alexandru Trestioreanu” Oncological Institute, Bucharest 022328, Romania
5. Chair of Modern Languages, Bucharest 020021, Romania