1. Department of Orthodontic Science, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University
2. Department of Dental Radiology and Radiation Research, Faculty of Dentistry, Tokyo Medical and Dental University
3. Department of Metallic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU)
4. Graduate School of Health Sciences, Hokkaido University