Langhout, Rob http://orcid.org/0000-0002-7739-3151
Weir, Adam
Litjes, Wendy
Gozeling, Maarten
Stubbe, Janine H.
Kerkhoffs, Gino
Tak, Igor
Article History
Received: 21 December 2017
Accepted: 30 May 2018
First Online: 2 June 2018
Compliance with ethical standards
:
: The author(s) declare that they have no competing interests.
: The Dutch Central Committee on Research Involving Human Subject (CCMO) states that no medical ethical approval was necessary for this questionnaire study. This is stated in the Dutch Medical Research Involving Human Subjects Act (WMO). ExternalRef removed.