1. Department of Oral Disease Research, National Institute for Longevity Sciences, Obu, Aichi, Japan
2. Department of Periodontology, School of Dentistry, Aichigakuin University, Nagoya, Japan
3. Department of Periodontology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
4. Division of Molecular Pathology, Department of Neuroscience and Immunology, Kumamoto University Graduate School of Medical Sciences, Kumamoto, Japan