Received: 3 July 2020
Accepted: 11 January 2021
First Online: 23 January 2021
Ethics approval and consent to participate
: The LOTO study was approved by the institutional ethics committee, Comitato Etico INRCA, (committee’s reference number: FiORdiLOTO SC/11/281) and was performed in accordance with the Declaration of Helsinki (1964) and its later amendments.Written informed consent was received from participants prior to inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.