Correction to: Trials (2020) 21:1005

https://doi.org/10.1186/s13063-020-04878-y

Following publication of the original article [1], we were notified that the figure of the study design in the paper was an older, incorrect figure that did not correctly reflect randomization strategy, patient numbers, and intervention. The incorrect and correct figures are presented below.

  • Originally published figure

    figure a
  • Corrected figure

    figure b

The original article has been corrected.