[1] King Saud Univ, Prince Sultan Coll Emergency Med Serv, Basic Sci Dept, Riyadh, Saudi Arabia
[2] King Saud Univ, Prince Sultan Coll Emergency Med Serv, eLearning & IT Unit, Riyadh, Saudi Arabia
[3] King Saud Univ, Coll Med, Emergency Dept, Riyadh, Saudi Arabia
[4] King Saud Univ, Prince Sultan Coll EMS, Trauma & Accid Dept, Riyadh, Saudi Arabia
[5] King Saud Univ, Coll Nursing, Riyadh, Saudi Arabia
[6] King Saud Univ, Prince Sultan Coll EMS, EMS Dept, Riyadh, Saudi Arabia
[7] Minist Hlth, Riyadh, Saudi Arabia
[8] Monash Univ, Fac Med Nursing & Hlth Sci, Dept Community Emergency Hlth & Paramed Practice, Melbourne, Vic, Australia