1. University of California; Santa Cruz USA
2. Tropical Agricultural Research and Higher Education Center (CATIE); Turrialba Costa Rica
3. Federal Rural University of Rio de Janeiro; Brazil
4. Rede de Desenvolvimento; Ensino e Sociedade (REDES); Rio de Janeiro Brazil
5. Juruena Rural Development Association (ADERJUR); Mato Grosso Brazil
6. National Institute for Colonization and Agrarian Reform (INCRA); Brasília Brazil
7. Federal University of Minas Gerais; Brazil