1. National Institute of Agricultural and Livestock Researches (INIAP‐Ecuador) Santa Catalina Experimental Station Panamericana Sur Km1 Quito Ecuador
2. Colegio de Postgraduados (CP) Campus Montecillo Road México‐Texcoco Km. 36.5, Montecillo Texcoco 56230 State of Mexico Mexico
3. Campo Experimental Valle de México INIFAP Apdo. Postal 10 56230 Chapingo State of Mexico Mexico
4. International Maize and Wheat Improvement Center (CIMMYT) Apdo. Postal 6‐641 56237 Mexico DF Mexico
5. CSIRO Agriculture & Food GPO Box 1600 Canberra ACT 2601 Australia
6. Colegio de Postgraduados (CP) Campus Montecillo, Road México‐Texcoco Km. 36.5 Montecillo Texcoco 56230 State of Mexico Mexico
7. Huazhong Agricultural Univ. No. 1 Shizishan St., Hongshan District Wuhan Hubei China 430070