Text and Data Mining valid from 2019-01-16
Received: 9 October 2018
Accepted: 28 December 2018
First Online: 16 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The endoscopic video images were acquired by Prof. Giorgio Peretti (Director of Otorhinolaryngology at Ospedale Policlinico San Martino, University of Genova). Patients gave their written consent for the procedure and the use of the data. No further approval is necessary for such endoscopic recordings. The videos were anonymized and made available inside the InlineEquation removedRALP consortium for further usage.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.