1. Cornell Univ.; Dep. of Plant Breeding; 242 Emerson Hall Ithaca NY Colombia
2. Universidad Nacional de Colombia; Km 12 via Chapinero Palmira Colombia
3. Embrapa Arroz e Feijão; Rodovia GO-462, km 12 Zona Rural CEP 75375-000 Santo Antônio de Goiás GO Brazil
4. Generation Challenge Program, CIMMYT, c/o CIAT; AA6713 Cali Colombia