1. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
2. Department of Emergency Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania.
3. Department of Medicine, Duke University School of Medicine, Durham, North Carolina.
4. Rocky Mountain Drug and Poison Control Center, Denver, Colorado.
5. National Center for Natural Products Research, School of Pharmacy, University of Mississippi, Oxford, Mississippi.
6. Department of Medicine, State University of New York at Stony Brook, Stony Brook, New York.
7. Department of Biochemistry and Molecular Biology, Complutense University of Madrid, Madrid, Spain.
8. Department of Medicinal and Natural Products, Institute for Drug Research, The Hadassah Medical School, Hebrew University of Jerusalem, Jerusalem, Israel.
9. Department of Psychiatry, Harvard Medical School, Boston, Massachusetts.
10. Institute of Emerging Health Professions, Thomas Jefferson University, Philadelphia, Pennsylvania.
11. Departments of Neurology and Pediatrics, Division of Child Neurology, Children's Hospital of Philadelphia and the Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania.
12. Colorado State University-Pueblo, Pueblo, Colorado.
13. University of Southern Indiana, Evansville, Indiana.
14. Lewes, Delaware.
15. Behavioral Pharmacology Research Unit, Johns Hopkins University School of Medicine, Baltimore, Maryland.
16. Department of Family Medicine, McGill University, Montreal, Quebec, Canada.
17. UCSF Osher Center for Integrative Medicine, University of California-San Francisco, San Francisco, California.