1. Mucosal Immunology Laboratory, IBGM, Universidad de Valladolid—CSIC, Valladolid, Spain
2. Laboratory of Immunogenetics, Department of Medical Microbiology and Infection Control, VU University Medical Centre Amsterdam, Amsterdam, The Netherlands
3. Antigen Presentation Research Group, Imperial College London & St. Mark’s Hospital, Harrow HA1 3UJ, UK