Article History
Received: 30 November 2018
Accepted: 13 December 2018
First Online: 26 December 2018
Compliance with ethical standards
:
: Dr. Desirée Gianardi, Dr. Matteo Palmeri and Prof. Luca Morelli have no conflicts of interest or financial ties to disclose.
: This article does not contain any studies with human participants or animals.
: For this type of study informed consent is not required.