1Department of Public Health, College of Medicine and Health Science, Adigrat University, Adigrat, Ethiopia, E-mail: hadushgn@yahoo.com
2Department of Law, College of Social Science and Humanity, Adigrat University, Adigrat, Ethiopia, E-mail: hadushgn@yahoo.com
3Department of Public Health, College of Health Science, Mekelle University, Mekelle, Ethiopia, E-mail: hadushgn@yahoo.com
*Corresponding Author:
Hadush Gebremariam, Department of Public Health, College of Medicine and Health Science, Adigrat University, Adigrat, Ethiopia, Tel: 251-914709829