1. Professor in Medicine, Department of Medicine, Faculty of Medicine, University of Ruhuna, PO Box 70, Galle, Sri Lanka
2. Senior Lecturer in Pharmacology, Department of Pharmacology, Faculty of Medicine, University of Ruhuna, PO Box 70, Galle, Sri Lanka
3. Senior Lecturer in Medicine, Department of Medicine, Faculty of Medicine, University of Ruhuna, PO Box 70, Galle, Sri Lanka
4. Medical Student, Faculty of Medicine, University of Colombo, Sri Lanka
5. Lecturer in Pharmacology, Department of Pharmacology, Faculty of Medicine, University of Ruhuna, PO Box 70, Galle, Sri Lanka