- Correspondence to Professor Antonia D'Errico-Grigioni, “F. Addarii” Institute of Oncology and Transplant Pathology, S. Orsola-Malpighi University Hospital, V.le Ercolani 4/2, Bologna 40138, Italy;
- Received March 17, 2015
- Revised June 17, 2015
- Accepted July 13, 2015
- First published August 4, 2015.
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