[1] King Saud Univ, Coll Appl Med Sci, Dept Hlth Rehabil Sci, Riyadh 11411, Saudi Arabia
[2] King Saud Univ Med City Hosp, Dept Resp Therapy, Riyadh 12372, Saudi Arabia
[3] Univ Bisha, Coll Appl Med Sci, Dept Resp Therapy, Bisha 67714, Saudi Arabia
[4] Univ Bisha, Hlth & Humanities Res Ctr, Bisha 67714, Saudi Arabia
[5] King Saud bin Abdelaziz Univ Hlth Sci, Dept Resp Therapy, Al Hasa 31982, Saudi Arabia
[6] King Abdullah Int Med Res Ctr, Al Hasa 31982, Saudi Arabia
[7] King Faisal Univ, Coll Appl Med Sci, Dept Resp Care, Al Hasa 31982, Saudi Arabia
[8] King Saud Univ, Coll Med, Dept Emergency Med, Riyadh 11411, Saudi Arabia
[9] King Saud bin Abdulaziz Univ Hlth Sci, Coll Appl Med Sci, Dept Resp Therapy, Riyadh 14611, Saudi Arabia
[10] King Abdullah Int Med Res Ctr, Riyadh 11481, Saudi Arabia
[11] King Abdul Aziz Med City, Resp Serv, Riyadh 11426, Saudi Arabia