1. Department of Microbiology, Harvard Medical School, Boston, MA 02115
2. Division of Infectious Diseases, Brigham & Women’s Hospital, Boston, MA 02115
3. Department of Medicine, Division of Endocrinology, Diabetes and Hypertension, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115
4. Department of Cell Biology and Genetics, Texas A&M University, College Station, TX 76549
5. Department of Nutrition, Texas A&M University, College Station, TX 76549