...Eshetu E Chaka Mulugeta Mekurie Ahmed Abdulahi Abdurahman Mahboubeh Parsaeian Reza Majdzadeh Correspondence: Reza Majdzadeh, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, P.O. Box 14155 6446, Tehran, Iran, Tel: 98 0 21...