1. Department of Oral Functional Prosthodontics, Division of Oral Functional Science, Graduate School of Dental Medicine Hokkaido University Sapporo Japan
2. Department of Diagnostic Sciences, Craniofacial Pain Center Tufts University School of Dental Medicine Boston Massachusetts USA
3. Department of Industrial Engineering, Computer Science Course, National Institute of Technology (KOSEN) Ibaraki College Ibaraki Japan