1. Department of Psychiatry and Human Behavior, The Warren Alpert Medical School of Brown University, Providence, Rhode Island.
2. Butler Hospital, Providence, Rhode Island.
3. Department of Psychology, College of the Holy Cross, Worcester, Massachusetts.
4. Center for Addiction Research, Department of Psychiatry, University of Arkansas for Medical Sciences, Little Rock, Arkansas.
5. Department of Medicine and Community Health, The Warren Alpert Medical School of Brown University, Providence, Rhode Island.