1. Department of Hepatology St Mary’s Hospital, Imperial College London London United Kingdom
2. Center of Applied Biomedical Research S. Orsola‐Malpighi University Hospital Bologna Italy
3. Department of Experimental, Diagnostic and Specialty Medicine S. Orsola‐Malpighi University Hospital Bologna Italy
4. G.I.CO. (Italian Group of Cholangiocarcinoma) Bologna Italy