1. French Initiative for International Agricultural Research, (FI4AR); Agropolis International; Ave. Agropolis F-34394 Montpellier Cedex 5 France
2. International Food Policy Research Institute; 2033 K St, NW Washington DC 20006-1002
3. Dep. Agrotechnology and Food Sciences; Wageningen Univ.; PO Box 8129 6700 EV Wageningen The Netherlands
4. Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT)