1. Faculty of Global and Regional Studies University of the Ryukyus Okinawa Japan
2. Mpala Research Centre Nanyuki Kenya
3. Department of Anthropology University of California Davis California USA
4. Animal Behavior Graduate Group University of California Davis California USA
5. School of Human Evolution and Social Change Arizona State University Tempe Arizona USA
6. Institute of Agriculture Tokyo University of Agriculture and Technology Tokyo Japan
7. Institute of Global Innovation Research Tokyo University of Agriculture and Technology Tokyo Japan
8. Graduate School of Tourism Sciences University of the Ryukyus Okinawa Japan