. 2016 Feb 1;60(1):2563. doi: 10.4081/ejh.2016.2563
©Copyright L. Vinci et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.