Received: 3 November 2021
Accepted: 8 March 2022
First Online: 29 March 2022
: The study protocol was exempted from ethical approval by the Clinical Expertise Centre of the National Institute of Public Health and the Environment (RIVM) as it did not meet the criteria for medical-scientific research. Methods were carried out in accordance with relevant guidelines and consent to participate. All participants were asked to fill out an informed consent form before participating, informed consent was obtained from all the participants in this study. Participants completed this form and agreed with participation before starting focus group discussions.
: Not applicable.
: We declare no competing interests.