1. Department of Clinical Pharmacy, Teaching Hospital of Faculty of Medicine, Fayoum University, Fayoum, Egypt;
2. Department of Clinical Pharmacy, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt;
3. Department of Clinical Pharmacy, Teaching Hospital of Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt;
4. Inhalation Consultancy Ltd., Leeds, UK;
5. Faculty of Health and Human Sciences, Plymouth University, Plymouth, UK;
6. Department of Critical Care, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt;
7. Department of Chest Diseases, Faculty of Medicine, Cairo University, Cairo, Egypt;
8. Department of Analytical Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt