- Correspondence to Matteo Gulino, Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, University of Rome Sapienza, 336 Viale Regina Elena, Rome, Lazio 00161, Italy;
- Received November 3, 2011
- Revised May 21, 2012
- Accepted October 31, 2012
- First published November 26, 2012.
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