Bottoni, Ferdinando
Cereda, Matteo
Secondi, Roberta
Bochicchio, Sara
Staurenghi, Giovanni
Article History
Received: 28 November 2017
Revised: 22 January 2018
Accepted: 26 January 2018
First Online: 6 February 2018
Compliance with ethical standards
:
: All authors declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.