1. Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Carolina Population Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, USA
4. Center for Methods in Implementation and Prevention Science, Yale School of Public Health, New Haven, CT, USA
5. Global Institute of Human Development, Shifa Tameer-e-Millat University, Islamabad, Pakistan
6. Human Development Research Foundation, Islamabad, Pakistan
7. Department of Primary Care and Mental Health, University of Liverpool, Liverpool, UK