[1] Jazan Univ, Fac Appl Med Sci, Resp Therapy Dept, Jazan, Saudi Arabia
[2] King Saud bin Abdulaziz Univ Hlth Sci, Dept Resp Care, Jeddah, Saudi Arabia
[3] King Abdullah Int Med Res Ctr, Jeddah, Saudi Arabia
[4] King Faisal Univ, Coll Appl Med Sci, Dept Resp Care, Al Hasa, Saudi Arabia
[5] Prince Sultan Mil Coll Hlth Sci, Dept Resp Care, Dammam, Saudi Arabia
[6] Umm Al Qura Univ, Fac Appl Med Sci, Clin Technol Dept, Resp Care Program, Mecca, Saudi Arabia
[7] King Abdulaziz Univ, Fac Med Rehabil Sci, Dept Resp Therapy, Jeddah, Saudi Arabia
[8] King Fahad Gen Hosp, Dept Resp Therapy, Jeddah, Saudi Arabia
[9] Batterjee Med Coll, Resp Therapy Dept, Khamis Mushait, Saudi Arabia
[10] Isra Univ, Fac Pharm, Dept Appl Pharmaceut Sci & Clin Pharm, Amman, Jordan
[11] Umm Al Qura Univ, Fac Med, Mecca, Saudi Arabia