[1] The University of the West Indies,Epidemiology Research Unit, Tropical Medicine Research Institute
[2] The University of the West Indies,Sickle Cell Unit, Tropical Medicine Research Institute
[3] The University of the West Indies,Department of Obstetrics, Gynaecology and Child Health
[4] The University of the West Indies,Institute for Sustainable Development
[5] University of Bergen,Centre for International Health