1 Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
2 Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India. Electronic address: drsandeepg2002@yahoo.com.
3 Department of General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.