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. 2021 Oct 19;6(10):e006672. doi: 10.1136/bmjgh-2021-006672

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Gender and seniority of authors affiliated with at least 1 HIC (HIC authors) and authors affiliated only with LMICs (LMIC authors). (A, C, E) Percentages of male and female authors at each seniority grade for first (A), last (C) and middle (E) authors. (B, D, F) Male:Female ratio (M:F) (number of male authors/number of female authors) at each seniority grade for first (B), last (D) and middle (F) authors. Seniority 5 represents the highest seniority. (HIC, high-income country; LMIC, low-income and middle-income country.)