Correction to: Eur Radiol

https://doi.org/10.1007/s00330-018-5589-6

The original version of this article, published on 6 July 2018, unfortunately contained a mistake. The following correction has therefore been made in the original:

The name of Klaus Zöphel was presented incorrectly. The corrected author list is given above. The original article has been corrected.