1. El Colegio de la Frontera Sur, ECOSUR, Avenida Rancho s/n, Lerma, Campeche, México
2. Department of Anthropology, University of Toronto Scarborough, Scarborough, Toronto, Ontario, Canada
3. Department of Psychology, University of Lethbridge, Lethbridge, Alberta, Canada
4. Instituto de Neuroetología, Universidad Veracruzana, Av. Dr. Luis Castelazo, Industrial de las ánimas, Xalapa, Veracruz, Mexico
5. Department of Anthropology, University of California Santa Cruz, Santa Cruz, CA, USA
6. Instituto de Ecología, INECOL, A.C.El Haya, Camino Antiguo a Coatepec, Emiliano Zapata, Xalapa, Veracruz, Mexico
7. Department of Anthropology, University of Calgary, 2500 University Dr. NW, Calgary, Alberta, Canada
8. Department of Anthropology, McGill School of Environment, McGill University, Montreal, Quebec, Canada, USA
9. Wildlife Conservation Society, Bronx, NY, USA
10. Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan