1. Department of Agricultural Sciences Clemson University Clemson South Carolina USA
2. Department of Economics United States Naval Academy Annapolis Maryland USA
3. Centro de Investigaciones Biotecnológicas del Ecuador, Facultad de Ciencias de la Vida Escuela Superior Politécnica del Litoral Guayaquil Ecuador
4. Department of Environmental Science, Policy, & Management University of California Berkeley California USA
5. Centro de Investigaciones Rurales, Facultad de Ciencias Sociales y Humanísticas Escuela Superior Politécnica del Litoral Guayaquil Ecuador
6. Department of Agricultural and Resources Economics University of California Berkeley California USA