1. International Potato Center, CIP, Lima 15024, Peru
2. CIP Kenya, c/o ILRI, P.O. Box 30709, Nairobi, Kenya
3. ndustrial Crops Research Institute, Yunnan Academy of Agricultural Sciences (YAAS), 2238 Beijing Road, Kunming, Yunnan 650205, P. R. China
4. CIP China, Beijing 100081, China
5. Ethiopian Institute of Agricultural Research, (EIAR), Holetta Agricultural research Center. P.O. Box 31, West Showa Zone, Oromia Region, Ethiopia
6. CIP Ethiopia, c/o ILRI Ethiopia P.O. Box 5689, Addis Ababa, Ethiopia
7. Earlham Institute (EI), Norwich Research Park, Norwich NR4 7UZ, UK