1. Wildlife Research Centre, Kyoto University, Kyoto, Japan.
2. Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Kyoto, Japan.
3. Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.
4. Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.
5. Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan.
6. Kyoto City Zoo, Kyoto, Japan.