1. Department of Oral Medicine, Oral and Maxillofacial Surgery Tokyo Dental College Ichikawa‐shi Japan
2. Cornea Center Eye Bank Tokyo Dental College Ichikawa General Hospital Ichikawa‐shi Japan
3. Division of Molecular Diagnosis and Cancer Prevention Saitama Cancer Center Kitaadachi‐gun Japan
4. Department of Dermatology Tokyo Dental College Ichikawa General Hospital Ichikawa‐shi Japan