1. School of Medicine, University of California San Diego, La Jolla, California.
2. Division of General Medicine, Columbia University, New York, New York.
3. Department of Psychiatry, University of California San Diego, La Jolla, California.
4. University of California Center for Medicinal Cannabis Research, San Diego, California.
5. Department of Neurosciences, University of California San Diego, La Jolla, California.
6. Department of Anesthesiology, University of California San Diego, La Jolla, California.
7. Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California.
8. Department of Radiation Medicine and Applied Science, University of California San Diego, La Jolla, California.