1. Japan Women’s College of Physical Education, Setagaya-ku, Tokyo, Japan
2. National Cancer Center, Chuo-ku, Tokyo, Japan
3. Sapporo Medical University, Sapporo, Hokkaido, Japan
4. Gunma University, Maebashi, Gunma, Japan
5. Kanagawa Cancer Center Research Institute, Yokohama, Kanagawa, Japan
6. Toyo University, Kita-ku, Tokyo, Japan
7. University of California, San Diego, La Jolla, CA, USA