Funding for this research was provided by:
National Institute for Health and Disability Insurance (UA C130298)
Article History
Received: 23 October 2018
Accepted: 27 February 2019
First Online: 5 March 2019
Ethics approval and consent to participate
: The study design has been approved by the Ethical Commission of the University of Antwerp (number 13/35/333, date: 7/10/2013). Both participating GPs and patients signed an informed consent before participating in the project.
: The signed informed consent permits anonymized data collection, analysis and publication.
: The authors declare that they have no competing interests.
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