1. Department of Pharmacy, Faculty of Allied Health Sciences, University of Peradeniya, Peradeniya, 20400, Sri Lanka
2. Department of Physiology, Faculty of Medicine, University of Colombo, Colombo, 0800, Sri Lanka
3. National Institute of Fundamental Studies, Hanthana Road, Kandy, 20000, Sri Lanka
4. Department of Chemistry, University of Peradeniya, Peradeniya, 20400, Sri Lanka