1. Surgery Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
2. General Surgery and Surgical Oncology Department I, Bucharest Institute of Oncology “Prof. Dr. Al. Trestioreanu”, 022328 Bucharest, Romania
3. Faculty of Letters, University of Bucharest, 030018 Bucharest, Romania
4. The Clinical Nuclear Medicine Laboratory, Oncological Institute “Prof. Dr. Alexandru Trestioreanu”, 022328 Bucharest, Romania
5. Pathology Department, Oncological Institute “Prof. Dr. Alexandru Trestioreanu”, 022328 Bucharest, Romania
6. Pathology Department, Bucharest Emergency University Hospital, 050098 Bucharest, Romania