1. Mucosal Immunology Laboratory, Instituto de Biología y Genética Molecular (IBGM)University of Valladolid‐CSIC C/ Sanz y Forés 3 47003 Valladolid Spain
2. Department of Biomedical and Clinical Sciences (BKV)Linköping University Linköping Sweden
3. Flow Cytometry facility. Instituto de Biología y Genética Molecular (IBGM)University of Valladolid‐CSIC C/ Sanz y Forés 3 47003 Valladolid Spain
4. Digestive Disease UnitHospital Clínico Universitario de Valladolid Avda Ramón y Cajal 3 47003 Valladolid Spain
5. Laboratory of Molecular GeneticsHospital Universitario Río Hortega C/ Dulzaina 2 47012 Valladolid Spain