[1] Society for Health and Demographic Surveillance,Niramay TB Sanatorium and Chest Clinic
[2] District Hospital of Birbhum,Department of Psychology
[3] Institute of Post Graduate Medical Education and Research (IPGMER),Department of Hepatology, School of Digestive and Liver Diseases
[4] University of Calcutta,undefined
[5] Institute of Post Graduate Medical Education and Research (IPGMER),undefined