1. Department of Oral Histology, Institute for Oral Science, Matsumoto Dental University
2. Laboratory for Electron Microscopy, Okayama University Graduate School of Medicine and Dentistry
3. Department of Oral Morphology, Okayama University Graduate School of Medicine and Dentistry
4. Biodental Research Center, Okayama University Graduate School of Medicine and Dentistry
5. Division of Hard Tissue Research, Institute for Oral Science, Matsumoto Dental University