Funding for this research was provided by:
Ministry of Justice and Security
Text and Data Mining valid from 2019-03-14
Accepted: 6 February 2019
First Online: 14 March 2019
Compliance with ethical standards
: All authors declare that they have no conflict of interest.
: This study involving human participants was approved by the Ethics Committee of the University of Amsterdam and performed in accordance with the ethical standards described in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants (and when < 18 also parents/caregivers) included in the study.