Department of Family and Community Medicine, Faculty of Medicine, University of Tabuk, Tabuk, Saudi Arabia. Internal Medicine Department, Medical Administration, University of Tabuk, Tabuk, Saudi Arabia. Clinical Pharmacy Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia. Department of Pharmacy Practice, Unaizah College of Pharmacy, Qassim University, Unaizah, Qassim, Saudi Arabia. Department of Clinical Pharmacy, Faculty of Pharmacy, Northern Border University, Rafha, Saudi Arabia. Department of Otolaryngology, Faculty of Medicine, Al-Azhar University, Damietta, Egypt.