Fig. 1: Corresponding authors of submitted manuscripts during the same 6-month period (January to June) in 2018 and 2019 (before the COVID-19 pandemic) and 2020 (overlapping with the early stages of the COVID-19 pandemic).

The percentages of authors identified as men (black bars) or women (gray bars) submitting to NPP as corresponding authors are depicted. The dashed line represents the number of manuscripts submitted during January–June of 2018–2020.