1 Faculty of Medicine, University of Balamand, North Governorate, Lebanon; Division of Internal Medicine, Saint George Hospital University Medical Center, Beirut, Lebanon.
2 Faculty of Medicine, University of Balamand, North Governorate, Lebanon; Division of Radiology, Saint George Hospital University Medical Center, Beirut, Lebanon; Faculty of Medicine, Saint George University, Beirut, Lebanon.
3 Faculty of Medicine, University of Balamand, North Governorate, Lebanon; Faculty of Medicine, Saint George University, Beirut, Lebanon; Division of Nephrology, Saint George Hospital University Medical Center, Beirut, Lebanon. Electronic address: n_joubran@hotmail.com.