1. INSERM U482, Signal Transduction and Cellular Functions in Diabetes and Digestive Cancers IFR65, Hôpital Saint‐Antoine75571ParisCedex 12France
2. The Laboratory of Experimental Cancerology, Ghent UniversityB‐9000GentBelgium
3. Institute of BiochemistryFribourgCH‐1700Switzerland