[1] Catholic Univ Louvain, Clin Univ St Luc, Dept Hepatogastroenterol, Brussels, Belgium
[2] Catholic Univ Louvain, Clin Univ St Luc, Dept Pathol, Brussels, Belgium
[3] Jolimont Hosp, Dept Hepatogastroenterol, La Louviere, Belgium
[4] Jolimont Hosp, Dept Pneumol, La Louviere, Belgium
[5] Jolimont Hosp, Dept Radiol, La Louviere, Belgium