Correction to: Eur Radiol

https://doi.org/10.1007/s00330-018-5370-x

The original version of this article, published on 17 April 2018, unfortunately contained a mistake. The following correction has therefore been made in the original:

The name of Angela MP Coolen and the affiliations were presented incorrectly. The corrected author list is given above; the corrected affiliations are given below. The original article has been corrected.