Funding for this research was provided by:
Text and Data Mining valid from 2018-11-06
Received: 21 April 2018
Accepted: 16 October 2018
First Online: 6 November 2018
Ethics approval and consent to participate
: The Intego procedures were approved by the ethical review board of the Medical School of the KU Leuven (no ML 1723) and by the Belgian Privacy Commission (no SCSZG/13/079). GPs applied for inclusion in the registry. Informed consent was not obtained from patients. Intego uses an opt-out procedure.
: Not applicable.
: The authors declare that they have no competing interests.
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