1 Surgical research Laboratory, Medical Sciences Campus, Saint Joseph University Medical School, B.P. 11-5076, Riad El Solh, Beirut, Lebanon.
2 Hematology and Oncology Department, Hotel Dieu de France University Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon. elie.rassy@hotmail.com.
3 Department of General Surgery, Hotel Dieu de France Univeristy Hospital, Faculty of Medicine, Saint Joseph University, Beirut, Lebanon.