Correction to: International Journal of Computer Assisted Radiology and Surgery (2018) 13:1291–1300 https://doi.org/10.1007/s11548-018–1747-1

The original version of this article unfortunately contained an error. Raffael Cintean's contributions to this work were not acknowledged in the article. The authors would like to acknowledge the contributions of Raffael Cintean, who has assisted in clinical trial planning, acquiring the data and writing and correcting parts of the final paper.