1. Department of Neural Sciences, Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
2. Department of Pharmacology and Toxicology, Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA, USA
3. Department of Anatomy and Neurobiology, Center for the Study of Cannabis, University of California, Irvine, CA, USA
4. Department of Psychology and Neuroscience, University of Guelph, Guelph, Ontario, Canada