1. Department of Chemistry, Northwestern University, Evanston, Illinois 60208 United States
2. Department of Neuroscience, The Scripps Research Institute, Jupiter, Florida 33458, United States
3. Department of Pharmacology and Therapeutics, University of Manitoba, Winnipeg, Manitoba R3E 0T6, Canada
4. Division of Neurodegenerative Disorders, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, Manitoba R2H 2A6, Canada
5. Department of Molecular Biosciences, Northwestern University, Evanston, Illinois 60208, United States
6. National Resource for Translational and Developmental Proteomics, Northwestern University, Evanston, Illinois 60208, United States