Correction to: Trials 22, 876 (2021)

http://orcid.org/10.1186/s13063-021-05813-5

Following the publication of the original article [1], we were notified of a typo in the first author’s name:

  • Originally published name: Houria E. L. Ouazzani

  • Corrected name: Houria El. Ouazzani

The original article has been corrected.