1. Oxford Centre for Diabetes; Endocrinology and Metabolism; Nuffield Department of Clinical Medicine; University of Oxford; Oxford UK
2. Department of Clinical Medicine; Faculty of Medical Science; University of Sri Jayawardenapura; Sri Lanka
3. Department of Psychiatry; Faculty of Medical Science; University of Sri Jayawardenapura; Sri Lanka
4. Department of Community Medicine; Faculty of Medical Science; University of Sri Jayawardenapura; Sri Lanka
5. Department of Pharmacology; Faculty of Medicine; University of Colombo; Sri Lanka