Dalia E. Desouky1,2, Nighat M. and Tariq-Khan3
1Department of Public Health and Community Medicine, College of Medicine and Applied Medical Sciences, Taif University, Saudi Arabia.
2Department of Public Health and Community Medicine, Faculty of Medicine, Menoufyia University, Egypt.
3Department of Public Health and Community Medicine, College of Medicine and Applied Medical Sciences, Taif University, Saudi Arabia.
E-mail: dalia_desouky@yahoo.com
