Funding for this research was provided by:
Ministerie van Volksgezondheid, Welzijn en Sport (-)
Received: 15 September 2019
Accepted: 22 April 2020
First Online: 29 April 2020
Ethics approval and consent to participate
: The study was carried out according to the precepts of the Helsinki Declaration and Dutch legislation on privacy. The panel-study is registered with the Dutch Data Protection Authority (registration no. 1283171); all data were collected and handled in accordance with the privacy protection guidelines of the Authority. Patients gave written informed consent to participate in the panel-study. According to the Central Committee on Research Involving Human Subjects (CCMO), the panel-study is not subject to the Medical Research Involving Human Subjects Act (WMO), which entails that approval by a Medical Ethics Committee was not obligatory for this study (ExternalRef removed).
: Not applicable.
: The authors declare that they have no competing interests.