1. Laboratorio de Fisiología Gastrointestinal, Centro de Biofísica y Bioquímica, Instituto Venezolano de Investigaciones Científicas (IVIC), Miranda, Venezuela
2. University of Bordeaux, INSERM, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, 33076 Bordeaux, France
3. National Reference Center for Campylobacters & Helicobacters, Bordeaux, France