1) Department of Breast Surgery, Watanabe Hospital, Niimi, Japan
2) Department of Breast and Endocrinological Surgery, Okayama University Hospital, Okayama, Japan
3) Department of Breast Surgery, Kagawa Prefectural Central Hospital, Takamatsu, Japan
4) Department of Breast Surgery, Okayama Saiseikai General Hospital, Okayama, Japan
5) Department of Breast and Tyroid Surgery, Okayama City Hospital, Okayama, Japan
6) Department of Breast and Tyroid Surgery, Okayama Rosai Hospital, Okayama, Japan
7) Department of Breast and Endocrinological Surgery, Okayama Red Cross Hospital, Okayama, Japan

Taeko Mizoo¹⁾, Yusuke Otani²⁾, Yoko Suzuki²⁾, Minami Hatono²⁾, Yuko Abe²⁾, Kengo Kawata³⁾, Yurie Kudo⁴⁾, Asako Sasahara²⁾, Keiko Nishiyama²⁾, Hirokuni Ikeda⁵⁾, Hiroshi Kawai⁶⁾, Seiji Yoshitomi⁷⁾, Kyoko Hara⁷⁾, Hiroyoshi Doihara²⁾