[1] King Saud Univ, Coll Appl Med Sci, Dept Rehabil Sci, Riyadh, Saudi Arabia
[2] Dhurma Gen Hosp, Dept Radiol, Dhurma, Saudi Arabia
[3] Batterjee Med Coll, Dept Resp Therapy, Jeddah, Saudi Arabia
[4] King Saud bin Abdulaziz Univ Hlth Sci, Dept Resp Therapy, Riyadh, Saudi Arabia
[5] King Abdullah Int Med Res Ctr, Dept Res, Riyadh, Saudi Arabia
[6] King Abdul Aziz Med City, Dept Resp Serv, Riyadh, Saudi Arabia
[7] King Saud Univ, Dept Nursing Adm & Educ, Riyadh, Saudi Arabia
[8] Prince Sultan Mil Coll Hlth Sci, Dept Resp Care, Dammam, Saudi Arabia
[9] Jazan Univ, Dept Resp Therapy, Jazan, Saudi Arabia
[10] King Abdulaziz Univ, Dept RespiratoryTherapy, Riyadh, Saudi Arabia