1. Carolina Global Breastfeeding Institute, Department of Maternal and Child Health, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
2. Department of Anthropology, University of South Florida, Tampa, Florida, USA.
3. Division of Quality and Patient Safety, United Regional Hospital, Wichita Falls, Texas, USA.
4. Department of Community and Environmental Health, College of Health Sciences, Boise State University, Boise, Idaho, USA.