1. Department of Oral and Maxillofacial Surgery, School of Dental Medicine, Tsurumi University, Yokohama, Japan
2. Department of Rheumatology and Clinical Immunology, Clinical Research Center for Rheumatology and Allergy, Sagamihara National Hospital, National Hospital Organization, Sagamihara, Japan
3. Department of Surgery Sagamihara National Hospital, National Hospital Organization, Sagamihara, Japan
4. Section of Biological Science Research Center for Odontology, Nippon Dental University School of Dentistry, Tokyo, Japan