1. RIKEN SPring-8 Center, Sayo, Hyogo 679-5148, Japan
2. Japan Synchrotron Radiation Research Institute, Sayo, Hyogo 679-5148, Japan
3. SPring-8 Service Co., Ltd., Sayo, Hyogo 679-5165, Japan
4. Nichicon (Kusatsu) Corp., Kusatsu, Shiga 525-0053, Japan