Health-related quality of life and estimation of the minimally important difference in the Functional Assessment of Cancer Therapy-Endocrine Symptom score in postmenopausal ER+/HER2- metastatic breast cancer with low sensitivity to endocrine therapy

• Yuichiro Kikawa ,

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

  * E-mail: kikaway@hirakata.kmu.ac.jp

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

  https://orcid.org/0000-0002-3852-5991

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• Yasuhiro Hagiwara,

  Roles Data curation, Writing – review & editing

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

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• Tomomi Fujisawa,

  Roles Conceptualization, Writing – review & editing

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

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• 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

  https://orcid.org/0000-0001-7623-7715

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• Takayuki Iwamoto,

  Roles Investigation, Writing – review & editing

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

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• Takafumi Sangai,

  Roles Investigation, Writing – review & editing

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

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• Tadahiko Shien,

  Roles Investigation, Writing – review & editing

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

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• Shintaro Takao,

  Roles Investigation, Writing – review & editing

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

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• Reiki Nishimura,

  Roles Conceptualization, Investigation, Writing – review & editing

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

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• Masato Takahashi,

  Roles Investigation, Writing – review & editing

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

  https://orcid.org/0000-0002-6641-9598

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• Tatsuya Toyama,

  Roles Investigation, Project administration, Writing – review & editing

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

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• Tomohiko Aihara,

  Roles Investigation, Project administration, Writing – review & editing

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

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• 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

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• Naruto Taira

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

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

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