Text and Data Mining valid from 2020-01-20
Received: 27 December 2019
Accepted: 8 January 2020
First Online: 20 January 2020
Ethics approval and consent to participate
: The present study was approved by the local institutional authority (Health District Bruneck, South Tyrol, Italy). All procedures were carried out in accordance with the Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans. All participants gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.