Castellana, Marco http://orcid.org/0000-0002-1175-8998
Conte, Eleonora
Cignarelli, Angelo http://orcid.org/0000-0001-6477-9031
Perrini, Sebastio http://orcid.org/0000-0002-2728-7721
Giustina, Andrea http://orcid.org/0000-0001-6783-3398
Giovanella, Luca http://orcid.org/0000-0003-0230-0974
Giorgino, Francesco http://orcid.org/0000-0001-7372-2678
Trimboli, Pierpaolo http://orcid.org/0000-0002-2125-4937
Article History
First Online: 9 November 2019
Compliance with ethical standards
:
: These systematic review and meta-analysis were in accordance with the principles of the Declaration of Helsinki. Analyses were performed on data extracted from published papers.
: MC, EC, AC, SP, AG, LG, FG, and PT declare that they have no conflict of interest.