1. Department of Biology, Faculty of Science; Chulalongkorn University; Bangkok Thailand
2. Molecular Biology Section, Primate Research Institute; Kyoto University; Aichi Japan
3. Evolutionary Morphology Section, Primate Research Institute; Kyoto University; Aichi Japan
4. Division of Psychology, School of Humanities and Social Sciences; Nanyang Technological University; Singapore
5. Department of Zoology; Mawlamyine University; Mawlamyine Myanmar
6. National Primate Research Center of Thailand; Saraburi Thailand