1. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina , Columbia, SC , USA
2. Centre for Social Research in Health, University of New South Wales , Sydney , NSW, Australia
3. Department of Population and Health, University of Cape Coast , Cape Coast , Ghana
4. Department of Research and Advocacy , Challenging Heights, Winneba , Ghana
5. Centre for Health Policy and Implementation Research, Institute of Health Research, University of Health and Allied Sciences , Ho , Ghana