Michael Eddleston1,2
, Andrew Dawson3,4
, Lakshman Karalliedde5
, Wasantha Dissanayake6, Ariyasena Hittarage6, Shifa Azher7 and Nick A Buckley8 
1South Asian Clinical Toxicology Research Collaboration, Centre for Tropical Medicine, Nuffield Department of Clinical Medicine, University of Oxford, UK
2Department of Clinical Medicine, University of Colombo, Sri Lanka
3Department of Pharmacology, University of Newcastle, Australia
4Department of Clinical Medicine, University of Peradeniya, Sri Lanka
5Medical Toxicology Unit, Guy's and St Thomas's Hospitals, London, UK
6Anuradhapura General Hospital, North Central Province, Sri Lanka
7Polonnaruwa General Hospital, North Central Province, Sri Lanka
8Department of Clinical Pharmacology and Toxicology, Canberra Clinical School, ACT, Australia