1. Service of Clinical Pathology, Institute of Pathology; Lausanne University Hospital; Lausanne Switzerland
2. Pathology, Fondazione IRCCS Ca' Granda-Ospedale Maggiore Policlinico; University of Milan; Milan Italy
3. Department of Diagnostic and Interventional Radiology; Lausanne University Hospital; Lausanne Switzerland
4. Pathology Department; Fondazione IRCCS Istituto Nazionale Tumori; Milan Italy
5. Liver Transplant and General Surgery Unit; Fondazione IRCCS Ca' Granda-Ospedale Maggiore Policlinico; Milan Italy
6. Institute for Social and Preventive Medicine; Lausanne University Hospital; Lausanne Switzerland
7. Unit of Pathology; San Paolo Hospital Medical School; Department of Health Sciences; University of Milan; Milan Italy
8. Department of Visceral Surgery; Lausanne University Hospital; Lausanne Switzerland
9. European Institute of Oncology; University of Milan; Milan Italy
10. Pathology Department, Inserm; UMR-1053; CHU de Bordeaux, Pellegrin Hospital; Bordeaux France