Funding for this research was provided by:
Dutch Organization of Health Research (525001005)
Text and Data Mining valid from 2019-12-01
Received: 23 May 2019
Accepted: 21 October 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the University Medical Center Utrecht, Utrecht, the Netherlands (METC number: 14–332/c). The study was conducted in accordance with the principles of the Declaration of Helsinki (ExternalRef removed) and in accordance with the Medical Research Involving Human Subjects Act (WMO).Informed consent was provided by all participants and by the parents of participants under 18 years of age. Consent from the participants and/or their legal proxies was obtained in written form. In line with Dutch law, no parental informed consent was required for participants aged 18 years and above.
: Not applicable.
: The authors declare that they have no competing interests.