1. a Division of Alcoholism and Drug Abuse , Bellevue Hospital
2. b New York University School of Medicine , USA
3. c Division of Alcoholism and Drug Abuse , New York University School of Medicine , USA
4. d Summit Oaks Hospital , Summit, NJ, USA
5. e Music Therapy Program, Bellevue Dual Diagnosis Training Unit
6. f Department of Psychiatry , University of Massachusetts School of Medicine , USA