[1] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Med, King Abdullah Int Med Res Ctr, Riyadh, Saudi Arabia
[2] Minist Natl Guard Hlth Affairs, Intens Care Dept, ICU 1425,POB 22490, Riyadh 11426, Saudi Arabia
[3] Prince Mohammed bin Abdulaziz Hosp, Riyadh, Saudi Arabia
[4] Minist Hlth, Infect Prevent & Control, Prevent Hlth, Riyadh, Saudi Arabia
[5] Minist Hlth, Publ Hlth, Riyadh, Saudi Arabia
[6] Minist Natl Guard Hlth Affairs, Dept Med, Riyadh, Saudi Arabia
[7] Minist Natl Guard Hlth Affairs, Dept Infect Prevent & Control, Riyadh, Saudi Arabia
[8] Minist Natl Guard Hlth Affairs, Dept Pathol & Lab Med, Riyadh, Saudi Arabia
[9] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Pharm, King Abdullah Int Med Res Ctr, Riyadh, Saudi Arabia
[10] Minist Natl Guard Hlth Affairs, Pharmaceut Care Dept, Riyadh, Saudi Arabia
[11] King Saud Bin Abdulaziz Univ Hlth Sci, King Abdullah Int Med Res Ctr, Res Off, Riyadh, Saudi Arabia
[12] Minist Natl Guard Hlth Affairs, Riyadh, Saudi Arabia
[13] Alfaisal Univ, Prince Mohammed bin Abdulaziz Hosp, Minist Hlth, Riyadh, Saudi Arabia
[14] Alfaisal Univ, Coll Med, Riyadh, Saudi Arabia
[15] Emory Univ, Rollins Sch Publ Hlth, Hubert Dept Global Hlth, Atlanta, GA 30322 USA
[16] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Med, King Abdullah Int Med Res Ctr, Jeddah, Saudi Arabia
[17] Minist Natl Guard Hlth Affairs, Intens Care Dept, Jeddah, Saudi Arabia
[18] Minist Natl Guard Hlth Affairs, Dept Infect Prevent & Control, Jeddah, Saudi Arabia
[19] Prince Sultan Mil Med City, Minist Def, Mil Med Serv, Riyadh, Saudi Arabia
[20] Prince Sultan Mil Med City, Dept Intens Care Serv, Riyadh, Saudi Arabia
[21] Prince Sultan Mil Med City, Infect Dis Div, Riyadh, Saudi Arabia
[22] King Fahad Med City, Dept Crit Care Med, Riyadh, Saudi Arabia
[23] King Khalid Univ, Aseer Cent Hosp, Dept Crit Care Med, Abha, Saudi Arabia
[24] King Fahad Hosp, Ohoud Hosp, Dept Crit Care, Al Madinah Al Monawarah, Saudi Arabia
[25] King Saud Bin Abdulaziz Univ Hlth Sci, King Abdullah Int Med Res Ctr, Dept Biostat & Bioinformat, Riyadh, Saudi Arabia
[26] King Saud Med City, Intens Care Unit, Riyadh, Saudi Arabia
[27] King Saud Med City, Infect Dis, Riyadh, Saudi Arabia
[28] King Saud Med City, Intens Care Dept, Riyadh, Saudi Arabia
[29] Tanta Univ Hosp, Dept Anesthesiol & Intens Care, Tanta, Egypt
[30] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada
[31] Sunnybrook Med Ctr, Dept Crit Care Med, Bayview Ave,Room D478, Toronto, ON, Canada
[32] Sunnybrook Med Ctr, Dept Med, 2075 Bayview Ave,Room D478, Toronto, ON, Canada
[33] Univ Virginia, Sch Med, Int Severe Acute Resp & Emerging Infect Consortiu, Div Infect Dis & Int Hlth,Dept Med, Charlottesville, VA 22908 USA
[34] King Abdullah Med Complex, Crit Care Med Dept, Jeddah, Saudi Arabia
[35] Cairo Univ Hosp, Crit Care Med Dept, Cairo, Egypt
[36] Minist Hlth, King Fahad Gen Hosp, Internal Med Dept, Jeddah, Saudi Arabia