1. Museum of Osaka University, Osaka, Japan
2. Laboratory of Physical Anthropology, Graduate School of Science, Kyoto University, Kyoto, Japan
3. Faculty of Business Administration, Ryukoku University, Kyoto, Japan
4. Graduate School of Science and Engineering, Ehime University, Matsuyama, Japan
5. Graduate School of Science and Engineering, Kagoshima University, Kagoshima, Japan