Bonaccorsi, Gloria
Fila, Enrica
Messina, Carmelo
Maietti, Elisa
Ulivieri, Fabio Massimo
Caudarella, Renata
Greco, Pantaleo
Guglielmi, Giuseppe
Article History
Received: 26 May 2016
Accepted: 22 September 2016
First Online: 8 October 2016
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.
: The investigation was undertaken within the framework of a protocol approved by the Medical School Ethics Committee.
: Participants in the cohorts included in this analysis provided informed consent at enrollment.