Funding for this research was provided by:
Fondazione Cariplo (2017-0622)
Received: 8 April 2021
Accepted: 14 July 2021
First Online: 21 July 2021
: The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by the Ethics Committee of IRCCS Fondazione Don Carlo Gnocchi ONLUS (n#9_04/04/2018, date of approval: 2018/04/04). All subjects or their care-givers gave informed and written consent.
: Not applicable.
: The authors declare that they have no competing interests.