1. Medical Scientist Training Program, The Ohio State University, Columbus, Ohio 43210, United States
2. Department of Biological Chemistry and Pharmacology, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
3. Department of Chemistry and Biochemistry, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
4. Campus Chemical Instrument Center, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
5. Department of Neuroscience, The Ohio State University College of Medicine, Columbus, Ohio 43210, United States
6. Department of Genetics and Genome Biology, University of Leicester, Leicester LE1 7RH, United Kingdom