1. Department of Biology, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok, Thailand
2. National Primate Research Center of Thailand, Chulalongkorn University, Saraburi, Thailand
3. Evolutionary Morphology Section, Department of Evolution and Phylogeny, Primate Research Institute, Kyoto University, Inuyama, Aichi, Japan
4. Unit of Human Biology and Genetics, Department of Biological Sciences, Graduate School of Science, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
5. Department of Zoology, University of Yangon, Kamayut, Yangon, Myanmar