1. Department of Analytical Technology, Sumitomo Metal Mining Co., Ltd., Ichikawa, Chiba 272-8588, Japan
2. Department of Computer-Aided Engineering and Development, Sumitomo Metal Mining Co., Ltd., Niihama, Ehime 792-0001, Japan
3. Ichikawa Research Center, Sumitomo Metal Mining Co., Ltd., Ichikawa Chiba 272-8588, Japan