1. Department of Maternal and Child Health, Gillings School of Global Public Health, 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. The Institute for Healthcare Improvement (IHI), Cambridge, MA, USA
4. The National Catholic Health Secretariat (NCHS), Tamale, Ghana
5. MAZA, Accra, Ghana