Funding for this research was provided by:
Regione del Veneto (CANO_ALFREVE18_01)
Received: 29 July 2020
Accepted: 11 September 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: All participants gave informed consent to take part in the health surveillance program.
: Not applicable.
: The authors have declared that no competing interests exist.