1. Public Health Department, College of Applied Medical Sciences, King Faisal University, Hofuf, Al Ahsa
2. Health Programs and Chronic Diseases Department, Public Health Directorate, Al Ahsa General Health Affairs, Ministry of Health, Hofuf, Al Ahsa
3. Infectious Diseases Control Department, Al-Ahsa Health Cluster, Ministry of Health, Hofuf, Al Ahsa, Saudi Arabia