[1] King Saud Bin Abdulaziz Univ Hlth Sci, Coll Med, King Abdullah Int Med Res Ctr, Intens Care Dept,King Abdulaziz Med City,Minist Na, Riyadh, Saudi Arabia
[2] King Saud Bin Abdulaziz Univ Hlth Sci, King Abdullah Int Med Res Ctr, Riyadh, Saudi Arabia
[3] Intens Care Dept, King Saud Med City, Riyadh, Saudi Arabia
[4] King Abdulaziz Univ, King Abdulaziz Univ Hosp, Dept Anesthesia & Crit Care, Jeddah, Saudi Arabia
[5] Al Amiri Hosp, Dept Anesthesia Crit Care Med & Pain Med, Minist Hlth, Kuwait, Kuwait
[6] King Saud Bin Abdulaziz Univ Hlth Sci, King Abdullah Int Med Res Ctr, Intens Care Dept, Intens Care Dept,Minist Natl Guard Hlth Affairs, Jeddah, Saudi Arabia
[7] Tanta Univ Hosp, Dept Anesthesiol & Surg Intens Care, Tanta, Egypt
[8] King Fahad Hosp, Pulm Dept, Crit Care Units Madinah Reg, Minist Hlth, Madinah, Saudi Arabia
[9] Minist Hlth, King Fahad Hosp, Crit Care Dept, Crit Care Units Madinah Reg, Madinah, Saudi Arabia
[10] King Khalid Univ, Aseer Cent Hosp, Dept Crit Care Med, Abha, Saudi Arabia
[11] King Faisal Specialist Hosp & Res Ctr, Internal Med, Crit Care, Riyadh, Saudi Arabia
[12] King Faisal Specialist Hosp & Res Ctr, Internal Med, Crit Care, Jeddah, Saudi Arabia
[13] Dept Intens Care Serv, Prince Sultan Mil Med City, Riyadh, Saudi Arabia
[14] Intens Care Dept, King Salman Bin Abdulaziz Med City, Madinah, Saudi Arabia
[15] King Saud Bin Abdulaziz Univ Hlth Sci, King Abdullah Int Med Res Ctr, Intens Care Dept, King Abdulaziz Med City,AlAhsa Minist Natl Guard H, Riyadh, Saudi Arabia
[16] King Saud Bin Abdulaziz Univ Hlth Sci, Prince Mohammed Bin Abdulaziz Hosp, King Abdullah Int Med Res Ctr, Intens Care Dept,Minist Natl Guard Hlth Affairs, Madinah, Saudi Arabia
[17] Adult Crit Care Serv, King Fahad Med City, Riyadh, Saudi Arabia
[18] Jaber Al Ahmed Al Sabah Hosp, Dept Anesthesia Crit Care & Pain Med, Kuwait, Kuwait
[19] Prince Mohammed Bin Abdulaziz Hosp, Dept Intens Care, Riyadh, Saudi Arabia
[20] King Fahad Hosp Univ, Imam Abdulrahman Bin Faisal Univ, Dept Emergency & Crit Care, Al Khobar, Saudi Arabia
[21] Univ Tartu, Tartu Univ Hosp, Clin Anaesthesiol & Intens Care, Tartu, Estonia
[22] Erasme Univ Hosp, Dept Intens Care, Brussels, Belgium
[23] Univ Copenhagen, Rigshosp, Rigshospitalet, Copenhagen, Denmark