Text and Data Mining valid from 2019-10-14
Received: 18 February 2019
Accepted: 26 September 2019
First Online: 14 October 2019
Ethics approval and consent to participate
: As the research project does not fall under the Dutch Medical Research Involving Human Subjects Act, official ethical approval was not needed. All participants verbally consented to participate. Researchers were asked for permission to include their proposals in document analysis.
: Not applicable
: The authors declare that they have no competing interests.