1. Department of Community Medicine, Faculty of Medicine and Allied Sciences Rajarata University of Sri Lanka Anuradhapura Sri Lanka
2. South Asian Clinical Toxicology Research Collaboration, Faculty of Medicine University of Peradeniya Peradeniya Sri Lanka
3. Centre for Pesticide Suicide Prevention, and Pharmacology, Toxicology and Therapeutics, Centre for Cardiovascular Science University of Edinburgh Edinburgh UK
4. Department of Public Health, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
5. Department of Medicine, Faculty of Medicine University of Kelaniya Ragama Sri Lanka
6. Population Health Sciences University of Bristol Bristol UK
7. Centre for Suicide Research, Department of Psychiatry University of Oxford Oxford UK
8. National Institute of Health Research Biomedical Research Centre at the University Hospitals Bristol NHS Foundation Trust and the University of Bristol Bristol UK