1. Okazaki Institute for Integrative Bioscience (Y.K., T.I.), National Institutes of Natural Sciences, Okazaki, 444-8787, Japan
2. Graduate School of Life Science (Y.K., K.O.), Hokkaido University, Sapporo, 060-0810, Japan
3. Department of Biological Sciences (Y.K., K.M., Y.M.), Hokkaido University, Sapporo, 060-0810, Japan
4. Department of Information and Biological Sciences (K.M.), Graduate School of Natural Sciences, Nagoya City University, Nagoya 467-8501, Japan
5. Department of Biology (S.K., L.J.G.), University of Florida, Gainesville, Florida 32611
6. Department of Applied Molecular Biosciences (Y.M.), Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
7. Japan Snake Institute (M.T.), Ota, 379-2301, Japan
8. Department of Veterinary Medicine (Y.O.), Faculty of Agriculture, Tottori University, Tottori, 680-8553, Japan