Article History
First Online: 19 February 2019
Compliance with Ethical Standards
:
: Kim Janssens, Chloë Sweerts and Ad Vingerhoets declare that they have no conflict of interest.
: Conform the ethical standards of the ethics review board of Tilburg University in 2015, this MSc graduation research did not need to be evaluated by the ethics review board of Tilburg University due to the voluntary participation and the anonymity of the online survey. However, the study is in accordance with the 1964 Declaration of Helsinki and its later amendments and comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.