Text and Data Mining valid from 2018-11-21
Received: 13 July 2018
Accepted: 9 October 2018
First Online: 21 November 2018
Ethics approval and consent to participate
: The study was piloted in agreement with the 1964 Helsinki declaration and its later amendments and approved by the local Ethics Committee (n° 873/16 at Azienda ospedaliero-universitaria Città della Salute e della Scienza di Torino – C.so Bramante 88, 10126, Turin, Italy).
: Written informed consent to participate and to publish results was obtained from all participants.
: The authors declare that they have no competing interests.
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