1 Department of Biopharmaceutical Sciences, School of Pharmacy and Health Sciences , Keck Graduate Institute , Claremont , California 91711 , United States.
2 Henry E. Riggs School of Applied Life Sciences , Keck Graduate Institute , Claremont , California 91711 , United States.
3 Department of Neuroscience , Pomona College , Claremont , California 91711 , United States.
4 Institute for Memory Impairments and Neurological Disorders , University of California , Irvine , California 92697 , United States.
5 ArmaGen, Inc. , Calabasas , California 91302 , United States.