1. Institute of Scientific and Industrial Research Osaka University Ibaraki Japan
2. Primate Research Institute Kyoto University Inuyama Japan
3. Chubu University Academy of Emerging Sciences Kasugai Japan
4. Wildlife Research Center of Kyoto University Kyoto Japan
5. Japan Monkey Centre Inuyama Japan
6. Institute for Tropical Biology and Conservation Universiti Malaysia Sabah Kota Kinabalu Malaysia