1 Department of Anesthesiology and Intensive Care, Saint Joseph University Medical School Hotel Dieu de France Hospital, Boulevard Alfred Naccache, P.O. BOX 166830, Beirut, Lebanon. vivchalhoub@yahoo.com.
2 Department of Anesthesiology and Intensive Care, Saint Joseph University Medical School Hotel Dieu de France Hospital, Boulevard Alfred Naccache, P.O. BOX 166830, Beirut, Lebanon.
3 Department of Radiology, Saint Joseph University Medical School Hotel Dieu de France Hospital, Beirut, Lebanon.