Cecchi, Enrica http://orcid.org/0000-0001-5710-6461
Article History
Received: 9 December 2018
Accepted: 19 December 2018
First Online: 4 January 2019
Compliance with ethical standards
:
: The author declares that she has no conflict of interest.
: The article does not contain any study on human participants or animals.
: Informed consent was not required.