1. Mitochondrial Research Group, Medical School, Institute for Ageing and Health, Newcastle University, Newcastle upon Tyne, United Kingdom.
2. Academic Unit of Respiratory Medicine, Royal Hallamshire Hospital, Sheffield, United Kingdom.
3. Department of Anaesthesia, Intensive Care and Pain Medicine, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom.
4. Nuffield Department of Surgery, University of Oxford, Oxford, United Kingdom.
5. Department of Cardiology, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom.
6. University of Edinburgh/MRC Centre for Inflammation Research, Edinburgh, United Kingdom.
7. Centre for Cardiovascular Science, Queen's Medical Research Institute, Edinburgh, United Kingdom.