Ethics approval and consent to participate
Given the nature of this study and the low impact on participants, the Medical Research Involving Human Subjects Act (Dutch: WMO) does not apply, as confirmed by the institutional Medical Ethical Committee ‘CMO Regio Arnhem-Nijmegen’. (the Medical Research Involving Human Subjects Act does not apply) (Upon participation in the study, all participants signed informed consent.All methods were carried out in accordance with the Declaration of Helsinki.