1. Department of Vertebrate Zoology and Me Linh station for Biodiversity, Institute of Ecology and Biological Resources, Vietnam Academy of Sciences and Technology, 18 Hoang Quoc Viet Road, Hanoi, Vietnam
2. Wildlife At Risk, 46/68 Nguyen Van Dau, Ward 6, Binh Thanh District, Ho Chi Minh City, Vietnam
3. University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai Street, Thanh Xuan District, Hanoi, Vietnam
4. The Kyoto University Museum, Kyoto University, Kyoto 606-8501, Japan
5. Laboratory of Wildlife Biology, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan
6. The University Museum, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-003, Japan
7. Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Str., Hanoi, Vietnam