[1] Okayama Univ Hosp, Dept Breast & Endocrine Surg, Shikata Cho 2-5-1, Okayama, Okayama 7008558, Japan
[2] Japanese Fdn Canc Res, Canc Inst Hosp, Dept Clin Genet Oncol, Tokyo, Japan
[3] Fukuyama City Hosp, Dept Breast & Thyroid Surg, Hiroshima, Japan
[4] Natl Canc Ctr, Res Ctr Canc Prevent & Screening, Div Epidemiol, Tokyo 104, Japan
[5] Hiroshima Univ, Inst Biomed & Hlth Sci, Dept Psychosocial Rehabil, Hiroshima, Japan
[6] Ichikawa Gen Hosp, Tokyo Dent Coll, Dept Obstet & Gynecol, Chiba, Japan
[7] Kawasaki Med Sch Hosp, Dept Breast & Thyroid Surg, Okayama, Japan
[8] Natl Canc Ctr, Res Ctr Canc Prevent & Screening, Publ Hlth Policy Res Div, Tokyo 104, Japan
[9] Japanese Fdn Canc Res, Canc Inst Hosp, Dept Breast Med Oncol, Tokyo, Japan
[10] Natl Canc Ctr Hosp East, Dept Hematol Oncol, Chiba, Japan