1. Department of Allied Health Science, Faculty of Medical Sciences, University of Sri Jayewardenapura, Nugegoda, Sri Lanka.
2. Faculty of Medicine, University of Kelaniya, Ragama, Sri Lanka.
3. Faculty of Medical Sciences, University of Sri Jayewardenapura, Nugegoda, Sri Lanka.
4. School of Pharmacy, University of Queensland, Brisbane, Australia.
5. Department of Pharmacy, Austin Health, Melbourne, Australia.
6. Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka.
7. Faculty of Medicine, University of Sydney, Sydney, Australia.