1. National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184–8795, Japan
2. National Institutes for Quantum and Radiological Science and Technology, 1233 Watanukimachi, Takasaki, Gunma 370–1292, Japan
3. Tamura Corporation, 2-3-1 Hirosedai, Sayama, Saitama 350–1328, Japan