1. Centre of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece.
2. Attikon Animal Hospital, Paiania, Greece.
3. Lower Saxony Centre for Biomedical Engineering Implant Research and Development, Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany.
4. Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, Athens, Greece.
5. Institute for Pathology, Hannover Medical School, Hannover, Germany.
6. Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany.
7. Cardiopulmonary Regenerative (CARE) Group, Centre for Biological Engineering, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, United Kingdom.