1. University of Michigan, Life Sciences Institute, Ann Arbor, Michigan 48109, United States
2. University of Michigan, Department of Internal Medicine, Ann Arbor, Michigan 48109, United States
3. University of Michigan, Graduate Program in Immunology, Ann Arbor, Michigan 48109, United States
4. University of Michigan Natural Products Discovery Core, Life Sciences Institute, Ann Arbor, Michigan 48109, United States
5. University of Michigan, Department of Chemistry, Ann Arbor, Michigan 48109, United States
6. Helmholtz Institute for Pharmaceutical Research Saarland, Saarbrücken 66123, Germany
7. University of Michigan, Department of Microbiology & Immunology, Ann Arbor, Michigan 48109, United States
8. University of Michigan, Department of Medicinal Chemistry, Ann Arbor, Michigan 48109, United States