Variations in cardiac transplantation: comparisons between the United Kingdom and the United States∗∗For the Uk Cardiothoracic Transplant Audit SteeringGroup.22Members of Steering Group and participating centers: Robert S. Bonser (Queen Elizabeth Hospital, Birmingham); John Dark (Freeman Hospital, Newcastle); Abdul K. Deiraniya (Wythenshawe Hospital, Manchester); Dr. Peter Doyle (Department of Health representative); Marc R. de Leval (Great Ormond Street Hospital for Children, London); Timothy J. Locke (Northern General Hospital, Sheffield); Andrew J. Murday (St George’s Hospital, London); John Wallwork (Papworth Hospital, Cambridge); Prof. David J. Wheatley (Glasgow Royal Infirmary, Glasgow); and Prof. Sir Magdi Yacoub (Harefield Hospital, Middlesex).