1. Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093-0021, United States
2. Biomedical Sciences Graduate Program, University of California, San Diego, La Jolla, California 92093-0021, United States
3. Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093-0021, United States
4. American Life Sciences Pharmaceuticals, Inc., La Jolla, California 92037-5149, United States
5. Department of Neurosciences and Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California 92093-0021, United States