Bettelli, Gabriella
Article History
Received: 19 December 2017
Accepted: 12 January 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: No patient was enrolled in the study.