1. Department of Population Health and Reproduction, School of Veterinary Medicine; UC Davis; Davis California
2. California National Primate Research Center; University of California Davis; Davis California
3. Department of Anthropology, Graduate Program in Evolution, Ecology and Behavior; University at Buffalo; Buffalo New York
4. Fondazione Ethokios; Radicondoli Italy
5. Wildlife Research Center; Kyoto University; Inuyama Japan
6. Primate Research Institute; Kyoto University; Inuyama Japan
7. Small Mammal Conservation and Research Foundation (SMCRF); Kathamandu Nepal
8. School of Psychology; University of Lincoln; Lincoln UK
9. Department of Anthropology; University of Wisconsin-Madison; Madison Wisconsin
10. Université Toulouse Jean Jaurès; Toulouse France
11. School of International Liberal Studies; Chukyo University; Toyota Japan
12. Ethologie Cognitive et Sociale; Centre National de la Recherche Scientifique; Strasbourg France
13. Istituto di Scienze e Tecnologie della Cognizione; Consiglio Nazionale delle Ricerche; Rome Italy
14. Anthropology Department; Sun-Yat sen University; Guang Zhou China
15. Centre National de la Recherche Scientifique, Université de Strasbourg; Institut Pluridisciplinaire Hubert Curien; Strasbourg France
16. Psychology Department; Emory University; Atlanta Georgia