Received: 13 August 2020
Accepted: 5 January 2021
First Online: 20 January 2021
Ethics approval and consent to participate
: The study was approved by the institution’s ethics board C.E. Campania Sud (parere n. 84 r.p.s.o.; determina n. 101 del 14-12-2015).Informed consent was obtained from the participants prior to inclusion to the study.
: Not applicable.
: The authors declare that they have no competing interests.