Text and Data Mining valid from 2020-01-06
Received: 5 June 2019
Accepted: 18 December 2019
First Online: 6 January 2020
Change Date: 29 January 2020
Change Type: Correction
Change Details: After publication of our article  the authors have notified us that one of the names has been incorrectly tagged.
Ethics approval and consent to participate
: The research was approved by the local ethical committee (Azienda Ospedaliera Universitaria Senese, protocol OSS_REOS n° 12908). All subjects gave their written informed consent to the study.
: Not applicable
: The authors declare that they have no competing interests.