1. Department of Parasitology, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka
2. Visiting Scholar, Department of Parasitology, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka
3. Department of Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka
4. Department of Medicine, Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka