S.M. Yasir Arafat, Department of Psychiatry, Enam Medical College and Hospital, Dhaka, Bangladesh.Sujita Kumar Kar, Department of Psychiatry, King George's Medical University, Lucknow, U.P., India Russell Kabir, School of Allied Health, Faculty of Health, Education, Medicine, and Social Care, Anglia Ruskin University, Chelmsford, United Kingdom.