About the Authors

Yuichiro Kikawa

Roles Conceptualization, Data curation, Writing – original draft, Writing – review & editing

kikaway@hirakata.kmu.ac.jp

Affiliation Department of Breast Surgery, Kansai Medical University, Hirakata-city, Osaka, Japan

Yasuhiro Hagiwara

Roles Data curation, Writing – review & editing

Affiliation Department of Biostatistics, The University of Tokyo, Tokyo, Japan

Tomomi Fujisawa

Roles Conceptualization, Writing – review & editing

Affiliation Department of Breast Oncology, Gunma Prefectural Cancer Center, Ota-city, Gunma, Japan

Kazuhiro Araki

Roles Investigation, Writing – review & editing

Affiliations Department of Breast Oncology, Gunma Prefectural Cancer Center, Ota-city, Gunma, Japan, Department of Breast and Endocrine Surgery, Hyogo College of Medicine, Nishinomiya-city, Hyogo, Japan

Takayuki Iwamoto

Roles Investigation, Writing – review & editing

Affiliation Department of Breast and Endocrine Surgery, Okayama University Hospital, Okayama-city, Okayama, Japan

Takafumi Sangai

Roles Investigation, Writing – review & editing

Affiliation Department of Breast and Thyroid Surgery, Chiba University Hospital, Chiba-city, Chiba, Japan

Tadahiko Shien

Roles Investigation, Writing – review & editing

Affiliation Department of Breast and Endocrine Surgery, Okayama University Hospital, Okayama-city, Okayama, Japan

Shintaro Takao

Roles Investigation, Writing – review & editing

Affiliation Department of Breast Surgery, Hyogo Cancer Center, Akashi City, Hyogo, Japan

Reiki Nishimura

Roles Conceptualization, Investigation, Writing – review & editing

Affiliation Department of Breast Oncology, Kumamoto Shinto General Hospital, Kumamoto-city, Kumamoto, Japan

Masato Takahashi

Roles Investigation, Writing – review & editing

Affiliation Department of Breast Surgery, NHO Hokkaido Cancer Center, Sapporo-city, Hokkaido, Japan

Tatsuya Toyama

Roles Investigation, Project administration, Writing – review & editing

Affiliation Department of Breast Surgery, Nagoya City University Hospital, Nagoya-city, Aichi, Japan

Tomohiko Aihara

Roles Investigation, Project administration, Writing – review & editing

Affiliation Breast Center, Aihara Hospital, Mino-city, Osaka, Japan

Hirofumi Mukai

Roles Investigation, Project administration, Writing – review & editing

Affiliation Department of Breast and Medical Oncology, National Cancer Center Hospital East, Kashiwa-city, Chiba, Japan

Naruto Taira

Roles Conceptualization, Investigation, Supervision, Writing – review & editing

Affiliation Department of Breast and Endocrine Surgery, Okayama University Hospital, Okayama-city, Okayama, Japan

Competing Interests

YK received honoraria from Eisai, Novartis, Pfizer, Lilly, Taiho, and Chugai, outside the submitted work. MT received grants from Kyowa Hakko Kirin and Taiho, personal fees from AstraZeneca, Eisai, Eli Lilly, and Pfizer, outside the submitted work. TT received grants and personal fees from Chugai, Eisai, Novartis, Takeda, Nippon Kayaku, Pfizer, Lilly, and Daiichi Sankyo, and personal fees from AstraZeneca, and grants from Taiho and Kyowa Kirin, outside the submitted work. HM received honoraria from Pfizer, Takeda, Daiichi Sankyo, and Taiho, and grants from the Japanese government, Daiichi Sankyo, and Pfizer, outside the submitted work. The remaining authors have no conflicts of interest to disclose. This does not alter our adherence to PLOS ONE policies on sharing data and materials.