1. Fondazione Policlinico Universitario Agostino Gemelli, IRCCS, Rome, Italy
2. Università Cattolica del Sacro Cuore, Rome, Italy
3. Queen Elizabeth Hospital, Birmingham, United Kingdom
4. Umberto I University Hospital, Rome, Italy
5. University Hospital, Pisa, Italy
6. University Hospital, Padua, Italy
7. Molinette University Hospital, Turin, Italy
8. S. Orsola-Malpighi University Hospital, Bologna, Italy
9. Niguarda Hospital, Milan, Italy
10. ISMETT (Mediterranean Institute for Transplantation and Advanced Specialized Therapies), Palermo, Italy
11. University Hospital, Verona, Italy
12. Papa Giovanni XXIII Hospital, Bergamo, Italy
13. Fondazione IRCCS Ospedale Maggiore Policlinico, Università degli Studi, Milan, Italy
14. University Hospital, Ancona, Italy
15. Newcastle Upon Tyne Hospital, Newcastle Upon Tyne, United Kingdom
16. University Hospital, Modena, Italy
17. Istituto Nazionale Tumori, IRCCS, and Università degli Studi, Milan, Italy