1. Centre for Drug Research, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
2. Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
3. Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
4. Translational Drug Development Core, Clinical and Translational Sciences Institute, University of Florida, Gainesville, Florida 32610, United States
5. Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
6. Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
7. Division of Therapeutics and Medical Consequences, National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland 20892, United States