1. Steel Research Laboratories, Nippon Steel & Sumitomo Metal Corporation
2. Technical Development Bureau, Nippon Steel & Sumitomo Metal Corporation
3. Department of Materials and Molecular Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
4. Division of Materials Science and Engineering, Faculty of Engineering, Hokkaido University
5. Advanced Technology Research Laboratories, Nippon Steel & Sumitomo Metal Corporation
6. Department of Engineering Sciences for Electronics and Materials, Faculty of Engineering Sciences, Kyushu University
7. Department of Materials Science and Engineering, Faculty of Engineering, Kyushu University