1 Foundation Doctor in the Department of Vascular Surgery, Leicester Royal Infirmary, Leicester.
2 Foundation Doctor in the Department of Hepatology, Royal Free Hospital, London.
3 Foundation Doctor in the Department of Respiratory Medicine, Bristol Royal Infirmary, Bristol.
4 Foundation tor in the Department of Neurosurgery, Addenbrookes Hospital, Cambridge.
5 Emeritus Fellow (Worcester College) and Associate Member, Department of Statistics, University of Oxford, Oxford.
6 Consultant Respiratory Physician and Clinical Lecturer in Respiratory and General Medicine, NDM Experimental Medicine, John Radcliffe Hospital, Oxford.