1. Dept. of Psychiatry, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, India.
2. National Drug Dependence Treatment Center, Dept. of Psychiatry, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, India.
3. Alcohol Research Center, University of Connecticut School of Medicine, Farmington, New Mexico, United States.
4. National Drug Dependence Treatment Center, All India Institute of Medical Sciences (AIIMS), New Delhi, Delhi, India.