1. Center for Southeast Asian Studies; Kyoto University; Kyoto; Japan
2. Department of Oral Health and Welfare; Graduate School of Medical and Dental Sciences; Niigata University; Niigata; Japan
3. Department of Field Medicine; School of Public Health; Kyoto University; Kyoto; Japan
4. Wildlife Research Center; Kyoto University; Kyoto; Japan
5. Research Institute for the Humanity and Nature; Kyoto; Japan
6. Medical Center East; Tokyo Women's Medical University; Tokyo; Japan