1. Program in Immunology and Virology, the University of Massachusetts Medical School, Worcester, Massachusetts
2. Department of Medicine, the University of Massachusetts Medical School, Worcester, Massachusetts
3. Department of Pathology, the University of Massachusetts Medical School, Worcester, Massachusetts
4. Juvenile Diabetes Research Foundation/Wellcome Trust Diabetes and Inflammation Laboratory, Department of Medical Genetics, Cambridge Institute for Medical Research, University of Cambridge, Cambridge, U.K
5. Department of Pharmacology, Merck Research Laboratories, Rahway, New Jersey
6. The Jackson Laboratory, Bar Harbor, Maine