Funding for this research was provided by:
Università degli Studi di Milano
Article History
Received: 18 November 2020
Accepted: 11 January 2021
First Online: 21 May 2021
Compliance with ethical guidelines
:
: J. Metovic, M. Barella and G. Pelosi declare that they have no competing interests.
: This is a review article on already existing literature data, thus no approval by Internal Review Board was required.