Amhara National Regional State Public Health Institute, Bahir Dar University, Wollo University, Debre Markos University - Department of Public Health, Alkan Health Sciences Business and Technology College, Injibara University, Injibara University, Amhara National Regional State Public Health Institute, Amhara National Regional State Public Health Institute, Amhara National Regional State Public Health Institute, Amhara National Regional State Public Health Institute, Amhara National Regional State Public Health Institute and Ethiopian Public Health Institute