Affiliation: | 1. Department of Psychology, Stellenbosch University, , Stellenbosch, South Africa;2. Health Systems Research Unit, Medical Research Council, , Tygerberg, South Africa;3. School of Public Health, University of the Western Cape, , Bellville, South Africa;4. International Maternal and Child Health, Uppsala University, , Uppsala, Sweden;5. Saving Newborn Lives, Save the Children, , Cape Town, South Africa;6. Biostatistics Unit, Medical Research Council, , Tygerberg, South Africa;7. Deceased. Formerly Maromi Health Research, , Glenwood, South Africa;8. UNICEF, , New York, NY, USA |