Erratum to: Radiol Med DOI 10.1007/s11547-015-0552-y

In the original publication, except the second author’s name, the first and last names of all the authors were interchanged. The correct names of the authors should read as follows:

Gianguido Cossellu, Stefano De Luca, Roberto Biagi, Giampietro Farronato, Mariano Cingolani, Luigi Ferrante, Roberto Cameriere.

The original article has been updated accordingly.