[1] Natl Inst Mental Hlth & Neurosci NIMHANS, Ctr Addict Med, Dept Psychiat, Bengaluru, Karnataka, India
[2] LGBRIMH, Dept Addict Med, Tezpur, Assam, India
[3] Pt BDS Univ Hlth Sci, Inst Mental Hlth, Rohtak, Haryana, India
[4] All India Inst Med Sci AIIMS, Dept Psychiat, Bhubaneswar, Odisha, India