1 Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India. Electronic address: drsandeepg2002@yahoo.com.
2 Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
3 Department of Internal Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
4 Department of Anesthesia & Critical Care, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.