Funding for this research was provided by:
Text and Data Mining valid from 2018-06-23
Received: 20 August 2016
Accepted: 31 May 2018
First Online: 23 June 2018
Ethics approval and consent to participate
: This is a secondary analysis and consent and approval was previously obtained from the Medical Ethics Committee of the Institutions for Mental Health (METiGG; Utrecht, The Netherlands, number NL28350.097.09), and participants gave informed consent.
: H Sinnema: None declared.B Terluin: is the copyright owner of the 4DSQ and receives copyright fees from companies that use the 4DSQ on a commercial basis (the 4DSQ is freely available for non-commercial use in health care and research). BT received fees from various institutions for workshops on the application of the 4DSQ in primary care settings.D Volker: None declared.M Wensing: None declared.A van Balkom: None declared.
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