1. Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4-4 Takeda, Kofu, Yamanashi 400-8510, Japan
2. Material Solutions Research Institute, Kaneka Corporation, 5-1-1 Torikai-nishi, Settu, Osaka 566-0072, Japan
3. Fuel Cell Nanomaterials Center, University of Yamanashi, 6-43 Miyamae, Kofu, Yamanashi 400-0021, Japan
4. Clean Energy Research Center, University of Yamanashi, 4-4 Takeda, Kofu, Yamanashi 400-8510, Japan