1. African Population and Health Research Center Nairobi Kenya
2. School of Sport, Exercise and Health Sciences Loughborough University Loughborough UK
3. Department of Population Studies, Chancellor College University of Malawi Zomba Malawi
4. School of Health and Related Research University of Sheffield Sheffield UK
5. Wellcome Trust London UK
6. African Institute for Development Policy Lilongwe Malawi
7. Centre for Social Research, Chancellor College University of Malawi Zomba Malawi
8. Lilongwe University of Agriculture and Natural Resources Lilongwe Malawi
9. UMR NUTRIPASS, Research Institute for Development Montpellier France