Text and Data Mining valid from 2019-12-01
Received: 11 September 2019
Accepted: 19 December 2019
First Online: 29 December 2019
Ethics approval and consent to participate
: All procedures performed in studies involving humans participants were in accordance with the ethical standard of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendment or comparable ethical standards.
: The patients gave spoken and written consent prior to participation to the study as well as a written consent for the publication of the results.
: The authors declare that they have no conflict of interest.