1. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093, United States
2. Biomedical Sciences Graduate Program, University of California, San Diego, La Jolla, California 92093, United States
3. Departments of Molecular Medicine and Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, California 92037, United States
4. Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093, United States
5. American Life Sciences Pharmaceuticals, Inc., La Jolla, California 92037, United States
6. Department of Neurosciences, School of Medicine, University of California, San Diego, La Jolla, California 92037, United States