[1] Tokai Univ, Dept Clin Hlth Sci, Sch Med, Isehara, Kanagawa, Japan
[2] Tokau Univ, Dept Breast & Endocrine Surg, Sch Med, Isehara, Kanagawa, Japan
[3] Tokai Univ, Div Gastroenterol, Dept Internal Med, Sch Med, Isehara, Kanagawa, Japan
[4] Tokai Univ, Dept Pathol, Sch Med, Isehara, Kanagawa, Japan