1. Christiaan Barnard Division of Cardiothoracic Surgery, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
2. Division of Cardiothoracic Surgery, University of Vermont, Burlington, VT, USA
3. Chain of Hope, Chelsea, London, UK
4. Department of Cardiovascular Surgery, Universitäts-Herzzentrum Freiburg–Bad Krotzingen, Freiburg, Germany
5. Hatter Institute of Cardiovascular Research in Africa, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
6. Division of Pediatric Cardiology, Department of Pediatrics and Child Health, University of Cape Town, Cape Town, South Africa
7. Department of Surgery, Johns Hopkins Medicine, Baltimore, MD, USA
8. Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
9. Hôpital Européen Georges Pompidou, Paris, France
10. Wake Forest Institute of Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA