Received: 11 June 2020
Accepted: 5 October 2020
First Online: 12 October 2020
Ethics approval and consent to participate
: In compliance with the declaration of Helsinki, the local ethics committee approved this study (date and IRB approval number: January 9, 2019, 18–220). Individual consent for the study was waived, as data acquisition was performed in an anonymized manner.
: Not applicable.
: The authors declare that they have no competing interests.