1. International Maize and Wheat Improvement Center (CIMMYT); PO Box 1041-00621 Nairobi Kenya
2. Monsanto Company; 1506 Hwy 69 Suite 100 Waco NE 68460 USA
3. Guinee-Semences; Immeuble Guinomar, Camayenne, Corniche Nord, BP 5603 Conakry Guinea
4. International Maize and Wheat Improvement Center (CIMMYT); PO Box MP 163 Harare Zimbabwe
5. National Agricultural Research Organization; National Crops Resources Research Institute; Namulonge, PO Box 7084 Kampala Uganda
6. International Maize and Wheat Improvement Center (CIMMYT); Apdo. Postal 6-641 06600 Mexico DF Mexico