1. Charles H. Dyson School of Applied Economics and Management, Cornell University, New York, NY, USA
2. CGIAR Advisory Services Shared Secretariat, Rome, Italy
3. University of Tasmania, Hobart, Australia
4. A.J. Ash and Associates, Brisbane, Australia
5. International Foundation for Science, Stockholm, Sweden
6. London School of Hygiene and Tropical Medicine, London, UK
7. Ethiopian Institute of Agricultural Research, Addis Ababa, Ethiopia
8. The James Hutton Institute and the School of Biology, The University of St Andrews, St Andrews, UK