Text and Data Mining valid from 2018-07-16
Received: 17 February 2018
Accepted: 13 June 2018
First Online: 16 July 2018
Ethics approval and consent to participate
: The study was performed in accordance with the Declaration of Helsinki. Materials were part of the diagnostic records commonly used in orthodontics. All participants provided their informed consents. No any individual person’s data in any form were used in the study. The protocol was approved by the Director of the Department of Biomedical Sciences for Health, Università degli Studi di Milano.
: Not applicable.
: The authors declare that they have no competing interests.
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