1. Department of Cardiothoracic Transplantation & Vascular Surgery, Hannover Medical School, Hannover, Germany,
2. Bioengineering Research Group, Nanotechnology & Advanced Materials Department, Materials & Energy Research Center (MERC), Tehran, Iran,
3. Research Department of Nanotechnology, UCL Division of Surgery & Interventional Science, Centre for Nanotechnology & Regenerative Medicine, University College London (UCL), London, UK,
4. UCL Medical School, University College London (UCL), London, UK,
5. Department of Engineering Science, Oxford Centre for Tissue Engineering & Bioprocessing, Institute of Biomedical Engineering, University of Oxford, Oxford, UK, and
6. Royal Free London NHS Foundation Trust Hospital, London, UK