Correction to: Eur Radiol.

https://doi.org/10.1007/s00330-018-5758-7

The original version of this article, published on 15 October 2018, unfortunately contained a mistake. The following correction has therefore been made in the original:

The name of Mariano Amo-Salas and the affiliation of Ismael Herruzo were presented incorrectly. The corrected author list is given above; the corrected affiliations are given below. The original article has been corrected.