1. Rogel Cancer Center, University of Michigan, Ann Arbor, Michigan 48109, United States
2. Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, United States
3. Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
4. Agios Pharmaceuticals, Inc., Cambridge, Massachusetts 02139, United States
5. Department of Pharmacology, University of Michigan, Ann Arbor, Michigan 48109, United States
6. Department of Medicinal Chemistry, Medical School, University of Michigan, Ann Arbor, Michigan 48109, United States