1. Laboratory of Molecular Immunology, Dana-Farber Cancer Institute, Boston, MA, 02115.
2. Cutaneous Biology Research Center
3. Wellman Laboratories, Department of Dermatology, Massachusetts General Hospital, Boston, MA 02114
4. Department of Hematology and Oncology, Beth Israel Hospital, Boston, MA 02115.
5. Department of Gastroenterology, Brigham and Women's Hospital, Boston, MA 02115.