[1] King Saud Univ, Dept Emergency Med, Coll Med, Riyadh 11472, Saudi Arabia
[2] Armed Forces Hosp, Dept Emergency Med, Khamis Mushait 62413, Saudi Arabia
[3] Minist Hlth, Saudi Med Appointments & Referral Ctr, Riyadh 13717, Saudi Arabia
[4] Saudi Minist Hlth Assistant Agcy Hosp Affairs, Natl Hlth Command Ctr, Riyadh 14235, Saudi Arabia
[5] Prince Sultan Mil Med City, Riyadh 12233, Saudi Arabia
[6] King Saud Univ Med City, Dept Pharm Serv, Riyadh 11472, Saudi Arabia
[7] King Saud Univ, Coll Med, Riyadh 11472, Saudi Arabia
[8] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Med, Riyadh 11481, Saudi Arabia
[9] Princess Nourah Bint Abdulrahman Univ, Coll Med, Riyadh 11564, Saudi Arabia
[10] King Saud Bin Abdulaziz Univ Hlth Sci, Riyadh 11481, Saudi Arabia