1. Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou Street, Athens 115 27, Greece. E-mails: pmallis@bioacademy.gr, smichal@bioacademy.gr, cstavrop@bioacademy.gr
2. Clinical, Experimental Surgery & Translational Research, Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou Street, Athens 115 27, Greece. E-mails: cdimitriou@bioacademy.gr, nkostom@bioacademy.gr