[1
]Department of Pathology, University of Reims et Champagne-Ardenne , Reims, France
[2
]Department of Pathology, Genentech, Inc , South San Francisco, California, USA
[3
]Department of biostatistics, Institute de Cancérologie de Lorraine , Vandoeuvre-lès-Nancy, France
[4
]Inserm U954, University of Lorraine , Vandoeuvre-lès-Nancy, France
[5
]Department of Hepato-Gastroenterology, Nancy University of Hospital , Vandoeuvre-lès-Nancy, France