1. Department of Oral and Maxillofacial Surgery, Hyogo College of Medicine, Nishinomiya, Hyogo 663‑8501, Japan
2. Department of Pathology, Hyogo College of Medicine, Nishinomiya, Hyogo 663‑8501, Japan
3. Department of Genetics, Hyogo College of Medicine, Nishinomiya, Hyogo 663‑8501, Japan