1. Proteomics and Metabolomics Shared Resource, Duke University, Durham, North Carolina 27710, United States
2. Department of Neurology, Duke University, Durham, North Carolina 27710, United States
3. Department of Pediatrics, Duke University School of Medicine, Durham, North Carolina 27710, United States
4. Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina 27710, United States