Affiliation: | 1. Pathology Department, Institut Claudius Regaud, , Toulouse, France;2. Biostatistics Department, Institut Claudius Regaud, , Toulouse, France;3. Pathology Department, Centre Jean Perrin, , Clermont‐Ferrand, France;4. Pathology Department, Institut Paoli Calmette, , Marseille, France;5. Pathology Department, Institut Bergonié, , Bordeaux, France;6. Pathology Department, Centre Georges Fran?ois Leclerc, , Dijon, France |