[1] Al Noor Specialist Hosp, Dept Resp Med, Mecca, Saudi Arabia
[2] Al Noor Specialist Hosp, Dept Internal Med, Mecca, Saudi Arabia
[3] Al Noor Specialist Hosp, Dept Infect Prevent & Control Programme, Mecca, Saudi Arabia
[4] Isra Univ, Fac Pharm, Amman, Jordan
[5] Al Noor Specialist Hosp, Dept Radiol, Mecca, Saudi Arabia
[6] King Faisal Gen Hosp, Dept Internal Med, Mecca, Saudi Arabia
[7] Al Noor Specialist Hosp, Mecca, Saudi Arabia
[8] Umm Al Qura Univ, Sch Publ Hlth & Hlth Informat, Mecca, Saudi Arabia
[9] Al Noor Specialist Hosp, Dept Intens Care, Mecca, Saudi Arabia
[10] Umm Al Qura Univ, Fac Med, Mecca, Saudi Arabia