1. Department of Pathology, Shubun University Faculty of Nursing, Ichinomiya 491-0938, Japan
2. Department of Clinical Laboratories, Aichi Cancer Center Hospital, Nagoya 464-8681, Japan
3. Department of Pathology and Molecular Diagnostics, Aichi Cancer Center Hospital, Nagoya 464-8681, Japan
4. Department of Head and Neck Surgery, Aichi Cancer Center Hospital, Nagoya 464-8681, Japan
5. Department of Laboratory Medicine, Kuma Hospital, Kobe 856-8562, Japan
6. Department of Diagnostic Pathology and Cytology, Kuma Hospital, Kobe 856-8562, Japan
7. Department of Surgery, Kuma Hospital, Kobe 856-8562, Japan