1. Department of Maternal and Child Health, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, 135 Dauer Drive Camp, NC 27599 , USA
2. Carolina Population Center, University of North Carolina, Chapel Hill, 123 West Franklin Street , NC 27516, USA
3. Columbia University School of Nursing , 560 W 168th Street, New York, NY 10032, USA
4. Department of Mother and Child Health, Institute for Clinical Effectiveness and Health Policy , Viamonte 2146 – 3 Piso, C1056ABH Ciudad de Buenos Aires, Argentina
5. Innovations for Poverty Action-Kenya (IPA-K) , Sandalwood Lane, Next to the Sandalwood Apartments (off Riverside Drive), Nairobi, Kenya
6. Kisumu County Department of Health , The County Government of Kisumu, 4th Floor, Prosperity House, P.O. Box: 2738 – 40100, Kisumu, Kenya
7. Institute of Tropical Medicine , Nationalestraat 155 - 2000 Antwerp, Belgium