D'Aniello, C
Fico, A
Casalino, L
Guardiola, O
Di Napoli, G
Cermola, F
De Cesare, D
Tatè, R
Cobellis, G
Patriarca, E J
Minchiotti, G
Article History
Received: 30 July 2014
Revised: 7 February 2015
Accepted: 16 February 2015
First Online: 10 April 2015
Change Date: 8 June 2015
Change Type: Correction
Change Details: This article has been corrected since Advance Online Publication and an erratum is also printed in this issue
Competing interests
: The authors declare no conflict of interest.