[1] King Saud Univ, Emergency Med, Riyadh, Saudi Arabia
[2] AlMaarefa Univ, Med & Surg, Riyadh, Saudi Arabia
[3] Minist Hlth, Gen Practice, Al Hassa, Norway
[4] Majmaah Univ, Med, Majmaah, Saudi Arabia
[5] Diriyah Hosp, Emergency Med, Riyadh, Saudi Arabia
[6] Jazan Univ, Med, Jazan, Saudi Arabia