title: Author's response.
authors.affiliation: Department of Cardiovascular Surgery, Tokyo Women's Medical University, 8-1 Kawada Shinjuku, Tokyo, 162-8666, Japan, 4CRNRY@hij.twmu.ac.jp.
authors.forename: Yasuko
authors.initials: Y
authors.lastname: Tomizawa
mesh_terms: D005260:Female; D013502:General Surgery / Q000639:trends*; D006801:Humans; D008297:Male; D010822:Physicians, Women / Q000639:trends*; D063507:Sexism / Q000639:trends*; D012955:Societies, Medical / Q000639:trends*