Funding for this research was provided by:
Ministerie van Volksgezondheid, Welzijn en Sport (325409)
Text and Data Mining valid from 2019-08-02
Received: 15 January 2019
Accepted: 12 July 2019
First Online: 2 August 2019
Ethics approval and consent to participate
: This study was approved by the Ethical Review Board of the Tilburg School of Social and Behavioral Sciences of Tilburg University (registration number EC-2017.52).All respondents signed a written informed consent letter.
: Not applicable.
: The authors declare that they have no competing interests.