Colombo, Giorgio
Frattini, Emanuele
Ceriani, Elisa
Zilocchi, Massimo
Del Bo, Roberto
DI Fonzo, Alessio
Solbiati, Monica
Article History
Received: 13 January 2018
Accepted: 6 May 2018
First Online: 15 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the present study involving human being were in accordance with the ethical standards of the institutional and national research committee and with 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.