1 Center for Policy Impact in Global Health, Duke Global Health Institute, Durham, NC 27710, USA; Department of Population Health, Duke School of Medicine, Duke University, Durham, NC, USA. Electronic address: osondu.ogbuoji@duke.edu.
2 Center for Policy Impact in Global Health, Duke Global Health Institute, Durham, NC 27710, USA.
3 Department of Health Policy, Planning and Management, University of Ghana, Accra, Ghana.