Correction to: Trials

https://doi.org/10.1186/s13063-019-3208-8

After publication of the original article [1], the authors have notified us that two of the collaborator first and last names have been inverted in the “PROTHOR Investigators” appendix table.

The correct information is:

Surname: Spadaro

Name: Savino

Surname Vitali

Name Costanza

The original article has been corrected.