[1] Nagoya Univ, Grad Sch Med, Dept Pathol, Showa Ku, Nagoya, Aichi 4668550, Japan
[2] Nagoya Univ, Grad Sch Med, Dept Oral & Maxillofacial Surg, Showa Ku, Nagoya, Aichi 4668550, Japan
[3] Natl Hosp Org, Nagoya Med Ctr, Dept Pathol, Nagoya, Aichi, Japan
[4] Nagoya Univ, Grad Sch Med, Ctr Neurol Dis & Canc, Div Mol Pathol, Nagoya, Aichi, Japan
[5] Immunobiol Lab, Fujioka, Japan