1. Instituto de Biotecnología/Universidad Nacional Autónoma de México (UNAM) Cuernavaca Morelos Mexico
2. Fabio Baudrit Agricultural Research Station University of Costa Rica Alajuela Costa Rica
3. Lankester Botanical Garden University of Costa Rica Cartago Costa Rica
4. Faculty of Food and Agricultural Sciences, Rodrigo Facio Campus, School of Agronomy University of Costa Rica San Jose Costa Rica