[1] King Saud Hosp, Crit Care Med, Qasim, Saudi Arabia
[2] King Saud Hosp, Rheumatol, Qasim, Saudi Arabia
[3] King Saud Hosp, Crit Care, Qasim, Saudi Arabia
[4] Qassim Univ, Surg, Unaizah Coll Med & Med Sci, Qasim, Saudi Arabia
[5] King Saud Hosp, Neurol, Qasim, Saudi Arabia
[6] King Saud Hosp, Internal Med, Qasim, Saudi Arabia
[7] King Fahad Hosp, Pulmonol, Qasim, Saudi Arabia
[8] King Saud Univ, Microbiol, Riyadh, Saudi Arabia
[9] Alexandria Univ, Ctr Excellence Res Regenerat Med & Its Applicat C, Res, Alexandria, Saudi Arabia