1. 1College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia;
2. 2Nouna Health Research Center, Nouna, Burkina Faso;
3. 3Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts;
4. 4Jegula Hospital, Harar, Ethiopia;
5. 5Institut Supérieur des Sciences de la Population, University of Ouagadougou, Ouagadougou, Burkina Faso;
6. 6Department of Statistics, University of Ibadan, Ibadan, Nigeria;
7. 7Department of Epidemiology and Biostatics, Addis Continental Institute of Public Health, Addis Ababa, Ethiopia;
8. 8Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts;
9. 9Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany;
10. 10Africa Health Research Institute, KwaZulu-Natal, South Africa;
11. 11Department of Nutrition, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts;
12. 12Department of Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts;
13. 13University of Ibadan Research Foundation, University of Ibadan, Ibadan, Nigeria