1. From the College of Medicine, King Saud Bin Abdulaziz University for Health Sciences (Y.M.A., S.J.A., S.A.I.A., A.A.-D.), the Departments of Intensive Care (Y.M.A., S.J.A., S.A.I.A., A.A.-D.) and Emergency Medicine, (S.J.A.), Ministry of National Guard Health Affairs, Military Medical Services, Ministry of Defense (Y. Mandourah), the Department of Intensive Care Services, Prince Sultan Military Medical City (G.A.A.), the Department of Pulmonary and Critical Care Medicine, King Fahad Medical City (M.A., H...