Ethical Statement
The authors confirm that the ethical policies of the journal, as noted
on the journal’s author guidelines page, have been adhered to the
European Directive
2010/63/EU, in accordance with the rules of the ethic committee of the
Istituto Zooprofilattico Sperimentale del Mezzogiorno (Portici, Italy)
and the Guide for the Care and Use of Laboratory Animals of the National
Institutes of Health.