1. Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, UK
2. Pharmacology, Toxicology and Therapeutics, Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
3. Department of Pharmacology, Physiology and Neuroscience, Rutgers, The State University of New Jersey, Newark, NJ, USA
4. Wellcome Trust Critical Care Laboratory for Large Animals, Roslin Institute, Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK