1. Department of Pharmacology, Division of Molecular and Cellular Biology, Kashihara, Nara University 634-8521, Japan.
2. Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand.
3. Laboratory of Environmental Biology, Department of Life Science, Faculty of Science and Engineering, Kinki University, Higashi-Osaka, Osaka 577-8502, Japan.
4. Department of Cellular and Molecular Biology, Primate Research Institute, Kyoto University, Inuyama, Aichi 484-8506, Japan.