Received: 11 June 2019
Accepted: 17 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: The Medical Research Ethics Committee at Erasmus University of Rotterdam deemed the study to fall outside the remit of the Medical Research Involving Human Subjects Act, and no further ethical approval was therefore required. We did not collect any identifiable personal data. Informed consent was obtained in writing from all participants.
: Not applicable.
: Three authors (DW, JR and CM) declare that they have no competing interests. FH: Speaker fee, Lundbeck Netherlands, Travel fee and speaker fee, Janssen Netherlands, Speaker fee, Astra Zeneca Netherlands.