Text and Data Mining valid from 2020-02-13
Received: 5 July 2019
Accepted: 26 November 2019
First Online: 13 February 2020
Ethics approval and consent to participate
: Not applicable.
: No personal data or any identifiable statement beyond images are used in the manuscript. In all cases, we sistematically obtained patient consent form for educational and scientific usage of the images.
: The authors declare they have no competing interests.