[1] Univ Hosp Bristol NHS Fdn Trust, Dept Thorac Surg, Bristol, Avon, England
[2] Univ Hosp Bristol NHS Fdn Trust, Dept Anaesthesia, Bristol, Avon, England
[3] CHU Vaudois, Div Thorac Surg, Lausanne, Switzerland
[4] St James Univ Hosp, Dept Thorac Surg, Leeds, W Yorkshire, England
[5] New York Univ Langone Hlth, Dept Cardiothorac Surg, New York, NY USA
[6] Orebro Univ, Fac Med & Hlth, Dept Surg, Orebro, Sweden
[7] Univ Copenhagen, Rigshosp, Dept Thorac Surg, Copenhagen, Denmark
[8] Yale Univ, Sch Med, Dept Anesthesiol, New Haven, CT 06510 USA
[9] Univ Hlth Network, Toronto Gen Hosp, Dept Anesthesia, Toronto, ON, Canada
[10] Heart England NHS Fdn Trust, Dept Thorac Surg, Birmingham, W Midlands, England