Institution: | (1) Department of Radiology, John Radcliffe Hospital, Headley Way, Headington, Oxford, OX3 9DU, UK;(2) General Medicine, Stoke Mandeville Hospital, Mandeville Road, Aylesbury, Bucks, HP21 8AL, UK;(3) Department of Radiology, Stoke Mandeville Hospital, Mandeville Road, Aylesbury, Bucks, HP21 8AL, UK |