1. Department of Psychiatry and Mental Health School of Medicine University of Dodoma Dodoma Tanzania
2. Department of Population, Family and Reproductive Health School of Public Health University of Ghana Accra Ghana
3. Department of Global Health and Population Harvard T.H. Chan School of Public Health Boston MA USA
4. Department of Statistics University of Dodoma Dodoma Tanzania
5. Department of Statistics University of Ibadan Ibadan Nigeria
6. School of Public Health College of Health and Medical Sciences Haramaya University Dire Dawa Ethiopia
7. Department of Psychiatry and Mental Health Muhimbili University of Health and Allied Sciences Dar es Salaam Tanzania
8. Department of Global Health and Social Medicine Harvard T.H. Chan School of Public Health Boston MA USA