1. Faculty of Biological Sciences, School of Biomedical Sciences, University of Leeds, Leeds, United Kingdom.
2. Yorkshire Heart Centre, Leeds General Infirmary, Leeds, United Kingdom.
3. Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, United Kingdom.
4. Department of Cardiac Surgery, Santa Casa de Curitiba, Pontifica Universidade Catolica do Parana, Curitiba, Parana, Brazil.
5. NHS Blood & Transplant Tissue Services, Estuary Bank, Speke, Liverpool, United Kingdom.