- Correspondence to Professor Giancarlo Troncone, Department of Public Health, Anatomic Pathology Unit, University of Napoli Federico II School of Medicine, via S. Pansini 5, Napoli 80131, Italy;
- Received February 24, 2016
- Revised March 31, 2016
- Accepted April 2, 2016
- First published April 27, 2016.
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