1. Clinical Toxicology; Guy's and St Thomas' NHS Foundation Trust and King's Health Partners; London UK
2. William Harvey Research Institute; Centre for Clinical Pharmacology; Barts and the London School of Medicine and Dentistry; Queen Mary University of London; London UK
3. Barts Health NHS Trust; London UK
4. Denver Health Rocky Mountain Poison and Drug Center; Denver CO USA
5. King's College London; London UK