Youssef Ghosn1, Mohammed Hussein Kamareddine1, Hilal Abdessamad2, Tarek Safi1, Carmen Adem3, Rosette Jabbour4
1Faculty of Medicine and Medical Sciences, University of Balamand, Beirut, Lebanon; Departments of 2Internal Medicine, 3Radiology and 4Neurology, St. George Hospital University Medical Center and University of Balamand, Beirut, Lebanon.