1. Clinical Sciences and Product Quality and Compliance Department, FHI 360, Durham, NC, USA;
2. Joanis Consulting, Kennesaw, GA, USA;
3. Women’s Global Health Imperative, RTI International, San Francisco, CA, USA;
4. Maternal, Adolescent and Child Health Research Unit (MRU), Department of Obstetics and Gynaecology, Faculty of Health Sciences, University of the Witwatersrand, Durban, South Africa;
5. Independent Consultant, Chapel Hill, NC, USA