Correction to: Prevention of Infections in Cardiac Surgery study (PICS): study protocol for a pragmatic cluster-randomized factorial crossover pilot trial
Trials. 2019 Oct 16;20(1):595.
doi: 10.1186/s13063-019-3771-z.
Following publication of the original article [1], we have been notified of a few mistakes in the "Sample size calculations" section, second paragraph.