1. Natural Resources Institute University of Greenwich, Chatham Maritime Kent UK
2. Lilongwe University of Agriculture and Natural Resources, Bunda College Lilongwe Malawi
3. Department of Sustainable Agriculture, Biodiversity and Ecosystems Management The Nelson Mandela African Institution of Science and Technology Arusha Tanzania
4. Department of Crops, Horticulture and Soils Egerton University Njoro Kenya
5. Royal Botanic Gardens, Kew Richmond UK