[1] King Abdulaziz Medical City,Intensive Care Department
[2] King Saud bin Abdulaziz University for Health Sciences,Emergency Medicine Department
[3] King Abdullah International Medical Research Center,Emergency Medicine and Intensive Care Department
[4] King Abdulaziz Medical City,Obstetrics and Gynecology Department
[5] College of Medicine,Department of Internal Medicine
[6] King Abdulaziz Medical City,undefined
[7] King Abdulaziz Medical City,undefined
[8] American University of Beirut- Medical Center,undefined