1. NIHR Academic Clinical Fellow and Specialist Registrar in Cardiac Surgery
2. Research Associate
3. Clinical Perfusion Scientist
4. Medical Student
5. Consultant Anesthetist, Department of Anesthesia and Critical Care, Weston General Hospital, Weston-Super-Mare, United Kingdom.
6. Research Technician
7. British Heart Foundation Professor of Cardiac Surgery, Bristol Heart Institute, University of Bristol, Bristol Royal Infirmary, Bristol, United Kingdom.
8. British Heart Foundation Professor of Cardiac Surgery, Bristol Heart Institute, University of Bristol, Bristol Royal Infirmary, and Department of Cardiovascular Sciences, University of Leicester, Clinical Sciences Wing, Glenfield General Hospital, Leicester, United Kingdom.