1. Department of Pharmaceutical Sciences; College of Pharmacy and Allied Health Professions, St. John's University; Jamaica New York 11439
2. Psychology Department; Furman University; Greenville South Carolina 29613
3. Indivior PLC; 10710 Midlothian Turnpike, Suite 430 Richmond Virginia 2323
4. Neuropsychopharmacology Section, Molecular Targets and Medications Discovery Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health; Baltimore Maryland 21224