Text and Data Mining valid from 2020-01-13
Received: 13 November 2018
Accepted: 4 December 2019
First Online: 13 January 2020
Ethics approval and consent to participate
: To our knowledge, no ethics approval is necessary for conducting such a survey amongst colleagues; therefore, no ethics approval was gained. Colleagues were informed about the backgrounds of the survey, as well as the intention to publish the results, but no written informed consent was gathered.
: Not applicable.
: The authors declare that they have no competing interests.