1. Pacific Institute for Research and Evaluation, Pawtucket, RI, USA,
2. Program Analysis Branch, Division of Extramural Research and Training, National Institute of Environmental Health Sciences, National Institutes of Health, Morrisville, NC, USA,
3. Department of Psychology, University of Rhode Island, Providence, RI, USA,
4. Department of Psychology, University of Rhode Island, Kingston, NY, USA, and
5. Department of Psychiatry, Addiction Recovery Management Service, Harvard Medical School/Massachusetts General Hospital, Boston, MA, USA