[1] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Appl Med Sci, Emergency Med Serv Program, Al Hasa, Saudi Arabia
[2] King Abdullah Int Med Res Ctr, Al Hasa, Saudi Arabia
[3] Minist Natl Guard Hlth Affairs, Al Hasa, Saudi Arabia
[4] King Faisal Univ, Coll Med, Alahsa, Saudi Arabia
[5] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Appl Med Sci, Resp Therpy Program, Al Hasa, Saudi Arabia