Affiliation: | (1) Department of Cardiothoracic surgery, Yorkshire Heart Centre, Leeds General Infirmary, Leeds, UK;(2) Department of Anesthesiology, Yorkshire Heart Centre, Leeds General Infirmary, Leeds, UK;(3) Department of Cardiology, Yorkshire Heart Centre, Leeds General Infirmary, Leeds, UK;(4) Consultant Cardiothoracic Surgeon, Yorkshire Heart Centre, D Floor, Jubilee Building, Leeds General Infirmary, Great George Street, Leeds, LS1 3EX, UK |