1. Laboratory of Mucosal Immunology, Rockefeller University, New York, NY 10065, USA.
2. Laboratory of Chemical Biology and Microbial Pathogenesis, Rockefeller University, New York, NY 10065, USA.
3. Department of Pathology, Brigham and Women’s Hospital, Boston, MA 02115, USA.
4. Laboratory of Molecular Immunology, Rockefeller University, New York, NY 10065, USA.