Correction: Does ovulation affect performance in tennis players?

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Otaka M, Chen S, Zhu R, *et al*. Does ovulation affect performance in tennis players? *BMJ Open Sport & Exercise Medicine* 2018;4:e000305. doi: 10.1136/bmjsem-2017-000305corr1

The authors want to alert readers to the following error identified in the published version.

The third co-author’s name was incorrectly spelled as ‘Yong Zhu’. The correct name of the co-author is ‘Rong Zhu’. 

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