1. Nutrition and Behavioral Sciences Department, Addis Continental Institute of Public Health, Addis Ababa 26751/1000, Ethiopia
2. Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
3. Epidemiology and Biostatistics Department, Addis Continental Institute of Public Health, Addis Ababa 26751/1000, Ethiopia
4. School of Public Health, Addis Ababa University, Addis Ababa 1176, Ethiopia