Levi Sandri, Giovanni Battista
Spoletini, Gabriele
Vennarecci, Giovanni
Francone, Elisa
Abu Hilal, Mohammed
Ettorre, Giuseppe Maria
Article History
Received: 17 January 2018
Accepted: 9 May 2018
First Online: 16 May 2018
Compliance with ethical standards
:
: Giovanni Battista Levi Sandri, Gabriele Spoletini, Giovanni Vennarecci, Elisa Francone, Mohammed Abu Hilal, and Giuseppe Maria Ettorre have no conflicts of interest or financial ties to disclose.