1. Assistant Professor of Pulmonary Medicine, Department of Pulmonary Medicine, Faculty of Medicine, Cairo University, Cairo, Egypt. Consultant of Pulmonary Medicine, Department of Internal Medicine, Armed Forces Hospital Southern Region (AFHSR), Khamis Mushayt, Saudi Arabia.
2. Department of Internal Medicine, Armed Forces Hospital Southern Region (AFHSR), Khamis Mushayt, Saudi Arabia.
3. Department of Internal Medicine, Armed Forces Hospital Southern Region (AFHSR), Khamis Mushayt, Saudi Arabia. Department of Pulmonary Medicine, Faculty of Medicine, Al-Azhar University, Assiut Branch, Assiut, Egypt.
4. 2Department of Internal Medicine, Armed Forces Hospital Southern Region (AFHSR), Khamis Mushayt, Saudi Arabia.
5. Otorhinolaryngology Division, Surgery Department, College of Medicine, King Khalid University, Abha, Saudi Arabia.
6. Pharmaceutical Care Administration, Armed Forces Hospital Southern Region (AFHSR), Khamis Mushayt, Saudi Arabia.
7. Internal Medicine Department, College of Medicine, King Khalid University, Abha, Saudi Arabia.
8. Department of Pulmonary Medicine, Faculty of Medicine, Beni Seuf University, Egypt. 2Department of Internal Medicine, Armed Forces Hospital Southern Region (AFHSR), Khamis Mushayt, Saudi Arabia.