Correction to: Trials 22, 647 (2021)

https://doi.org/10.1186/s13063-021-05603-z

Following the publication of the original article [1], we were notified that Bárbara Naeme Lima Cordeiro was missed from being mentioned on the 4th place in the authorship list.

Bárbara Naeme Lima Cordeiro has participated in the writing of the design of the protocol.

The original article has been corrected.