[1] Nagoya Ekisaikai Hosp, Dept Endocrinol & Diabet, Nakagawa Ku, Nagoya 4548502, Japan
[2] Nagoya Univ, Sch Med, Dept Endocrinol & Diabet, Nagoya, Aichi 466, Japan
[3] Nagoya Univ, Sch Med, Dept Breast & Endocrine Surg, Nagoya, Aichi 466, Japan
[4] Tohoku Univ, Sch Med, Dept Pathol, Sendai, Miyagi 980, Japan
[5] Gunma Univ, Sch Med, Dept Med & Mol Sci, Maebashi, Gunma 371, Japan
[6] Nagoya Univ, Sch Med, Dept Pathol & Lab Med, Nagoya, Aichi 466, Japan