1. Department of Chemistry, Vanderbilt University, Nashville, Tennessee, USA;
2. Department of Neurology, Vanderbilt University Medical Center, Vanderbilt University, Nashville, Tennessee, USA
3. Vanderbilt Memory and Alzheimer's Center, Nashville, Tennessee, USA
4. Vanderbilt Institute of Chemical Biology, Vanderbilt School of Medicine, Nashville, Tennessee, USA
5. Vanderbilt Brain Institute, Vanderbilt School of Medicine, Nashville, Tennessee, USA