1 Department of Surgery, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
2 Iuliu Hatieganu University of Medicine and Pharmacy;Department of Anesthesiology and Intensive Care, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania. cbreazu@yahoo.com.
3 Iuliu Hatieganu University of Medicine and Pharmacy;Department of Gastroenterology, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
4 Department of Surgery, Regional Institute of Gastroenterology and Hepatology;Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
5 Department of Surgery, Regional Institute of Gastroenterology and Hepatology; Anatomy and Embryology Department, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.