Miyuru Chandradasa1,2, Asiri Rodrigo3,4. 1. Department of Psychiatry, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka. miyuruc@kln.ac.lk. 2. Colombo North Teaching Hospital, Ragama, Sri Lanka. miyuruc@kln.ac.lk. 3. Department of Psychiatry, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka. 4. Colombo North Teaching Hospital, Ragama, Sri Lanka.