1 Drug De-addiction & Treatment Centre & Department of Psychiatry, Postgraduate Institute of Medical Education & Research, Chandigarh, India. Electronic address: ghoshabhishek12@gmail.com.
2 Department of Psychiatry, Postgraduate Institute of Medical Education & Research, Chandigarh, India. Electronic address: shubhmohan@gmail.com.
3 University at Buffalo, Buffalo, NY, 14260, USA. Electronic address: anirband@buffalo.edu.