1. International Center for Young Scientists, National Institute for Materials Science, Tsukuba, Ibaraki, Japan
2. RIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa, Japan
3. Department of Physical Sciences, Aoyama Gakuin University, Sagamihara, Kanagawa, Japan
4. Sophia University, Tokyo, Japan
5. Japan Superconductor Technology, Inc., Kobe, Hyogo, Japan