Received: 21 June 2020
Accepted: 4 October 2020
First Online: 13 October 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the ‘Azienda Socio Sanitaria Territoriale Lombardia, Centro Specialistico Ortopedico Traumatologico Gaetano Pini,’ Milan, where the study was carried out. Written informed consent was obtained from all of the enrolled patients.
: All the authors give their consent for the publication of the study.Written informed consent was obtained from the patients for the publication of their anonymised data published in this article. No identifiable patient data are contained in this article.
: The authors declare that they have no competing interests.