[1] Qatif Cent Hosp, Gen Practice, Qatif, Saudi Arabia
[2] Xi An Jiao Tong Univ, Gen Practice, Xian, Peoples R China
[3] Wenzhou Med Univ, Gen Practice, Wenzhou, Peoples R China
[4] Natl Univ Sci & Technol, Gen Practice, Muscat, Oman
[5] Dallah Hosp, Emergency Med, Riyadh, Saudi Arabia