1. Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka;
2. Faculty of Pharmacy, University of Sydney, Sydney, Australia;
3. South Asian Clinical Toxicology Research Collaboration, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka;
4. Department of Medicine, Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka;
5. Department of Clinical Toxicology, Guy’s and St. Thomas’s NHS Foundation Trust, London, UK;
6. Faculty of Life Sciences and Medicine, King’s College London, London, UK;
7. Unaizah College of Pharmacy, Qassim University, Unaizah, Kingdom of Saudi Arabia;
8. Central Clinical School, The University of Sydney, Sydney, Australia