Funding for this research was provided by:
Istituto Nazionale per l'Assicurazione Contro Gli Infortuni sul Lavoro
Received: 28 May 2019
Accepted: 25 October 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: This study was approved by the local ethical committee (Rome branch of the INAIL Prosthesis Center, at the CTO “A. Alesini” in Rome) and was carried out in accordance with the principles of the declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.