1. Biotechnology Laboratory, Department of Chemistry, Faculty of Science, University of Colombo , PO Box 1490, Cumarathunga Munidasa Mawatha, Colombo 00300, Sri Lanka
2. Department of Molecular Biology, Durdans Hospitals , No 3 Alfred Road , Colombo 03, Sri Lanka
3. Sri Lanka Institute of Biotechnology , Thalagala road, Pitipana , Homagama, Sri Lanka