1. Department of Hygiene and Oral Health Science, Tokushima University Graduate School of Biomedical Sciences
2. Department of Oral Health Science and Social Welfare, Tokushima University Graduate School of Biomedical Sciences
3. Department of Thoracic Endocrine Surgery and Oncology, Tokushima University Graduate School of Biomedical Sciences
4. Groupe de Recherche en Ecologie Buccale, Faculte de Medecine Dentaire, Universite Laval