1. Wildlife Research Center Kyoto University Kyoto Japan
2. Chiba Zoological Park Chiba Japan
3. Nagoya Higashiyama Zoo and Botanical Gardens Aichi Japan
4. Tama Zoological Park Tokyo Japan
5. Japan Society for the Promotion of Science Tokyo Japan
6. The National Museum of Nature and Science Ibaraki Japan
7. Department of Obstetrics and Gynecology The Education and Research Center for Advanced Medicine Graduate School of Medical Sciences Nagoya City University Aichi Japan