Text and Data Mining valid from 2020-03-30
Received: 28 October 2018
Accepted: 4 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: All patients completing the questionnaire gave express written consent to participate in this study and have the findings published.
: All authors consent for publication of above manuscript.
: The authors declare that they have no competing interests.