1. Benzodiazepine Information Coalition, 1042 Ft. Union Blvd., PMB 1030, Midvale, UT, 84047 USA
2. Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, TN, USA
3. Benzodiazepine Action Work Group, Colorado Consortium for Prescription Drug Abuse Prevention, Aurora, CO, USA
4. Department of Psychiatry and Behavioral Sciences and Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN, USA