1. School of Natural Resources and Environmental EngineeringUniversidad del Valle Cali Colombia
2. Anthropology and HistoryUniversity of Michigan Ann Arbor Michigan
3. CESUniversidad Nacional de Colombia Bogotá Colombia
4. Group of Social AnthropologyICANH Bogotá Colombia
5. Research on SociologyFacultad Latinoamericana de Ciencias Sociales—FLACSO Quito Ecuador