Text and Data Mining valid from 2019-08-27
Received: 13 March 2019
Accepted: 15 August 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: The ethical review committee of Southwest Holland, nr.17–122, granted approval and exemption. Patient consent was not required.
: Not applicable.
: Naomi van der Linden is also employed by AstraZeneca Netherlands, a pharmaceutical company. All authors declare that they have no competing interests.