Funding for this research was provided by:
Italian Workers' Compensation Authority (BRIC ID 18/2016)
Excellence Departments grant from the Italian Ministry of Education, University and Research (-)
PRIN 2017 (20177J5Y3P)
Received: 5 July 2019
Accepted: 11 November 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of Azienda Ospedaliera Universitaria Policlinico “G. Martino”, Messina, Italy (decrete no.1158/2018).
: Not applicable.
: The authors declare that they have no competing interests.