1. Research Department Japan Monkey Center Inuyama Aichi Japan
2. Primate Cognition Research Group, Centre for Philosophy of Science of the University of Lisbon Lisbon Portugal
3. Université de Strasbourg, CNRS, IPHC UMR 7178 Strasbourg France
4. IMBE, Aix Marseille Univ., Avignon Univ., CNRS, IRD Marseille France
5. Centre for Research in Animal Behaviour, University of Exeter Exeter UK
6. Research Centre for Anthropology and Health, Department of Life Sciences University of Coimbra Coimbra Portugal
7. Inuyama Campus, Kyoto University Wildlife Research Center Inuyama Japan
8. Institute for Liberal Arts and Sciences, Kyoto University Kyoto Japan
9. Chubu Gakuin University Kakamigahara Japan