1. Division of Oral Immunology; Department of Oral Biology; Tohoku University Graduate School of Dentistry; Sendai Japan
2. Division of Oral Diagnosis; Department of Oral Medicine and Surgery; Tohoku University Graduate School of Dentistry; Sendai Japan
3. Division of Pediatric Dentistry; Department of Oral Health and Development Sciences; Tohoku University Graduate School of Dentistry; Sendai Japan
4. Department of Microbiology and Immunology; Tohoku University Graduate School of Medicine; Sendai Japan