[1] Batterjee Medical College,Respiratory Therapy Department
[2] Georgia State University,Department of Respiratory Therapy
[3] King Abdulaziz University,Department of Respiratory Therapy, Faculty of Medical Rehabilitation Sciences
[4] King Abdulaziz University Hospital,Respiratory Therapy Unit
[5] Prince Sultan Military College of Health Sciences,Department of Respiratory Care
[6] Isra University,Department of Applied Pharmaceutical Sciences and Clinical Pharmacy, Faculty of Pharmacy
[7] Umm Al-Qura University,Department of Pharmacology and Toxicology, College of Medicine
[8] Umm Al-Qura University,Clinical Technology Department, Respiratory Care Program, Faculty of Applied Medical Sciences
[9] National Heart and Lung Institute,King Abdulaziz University Hospital
[10] Imperial College London,Department of Respiratory Care, College of Applied Medical Sciences
[11] King Abdulaziz University,Respiratory Therapy Program, Department of Nursing, College of Nursing and Health Sciences
[12] King Faisal University,Health Research Center
[13] Jazan University,undefined
[14] Jazan University,undefined