[1] Univ Hosp Leuven, Dept Radiol, Herestr 49, B-3000 Leuven, Belgium
[2] Katholieke Univ Leuven, Dept Imaging & Pathol, Leuven, Belgium
[3] Univ Hosp Leuven, Dept Hepatol, Leuven, Belgium
[4] Katholieke Univ Leuven, Interuniv Inst Biostat & Stat Bioinformat, Leuven, Belgium
[5] Univ Hasselt, Hasselt, Belgium