Funding for this research was provided by:
Università degli Studi della Campania Luigi Vanvitelli
Received: 20 September 2020
Accepted: 16 April 2021
First Online: 29 April 2021
: The study was approved by the local ethics committee and conformed to the principles embodied in the Declaration of Helsinki (1964).
: Informed consent was obtained from all individual participants included in the study.
: The authors declare no competing interests.