Funding for this research was provided by:
National council for the promotion of quality, IMA (NA)
Text and Data Mining valid from 2018-06-18
Received: 16 February 2018
Accepted: 7 June 2018
First Online: 18 June 2018
Ethics approval and consent to participate
: Data from laboratories and reimbursement organizations were encrypted by a trusted third party to ensure patient confidentiality. The procedure and the study protocol was approved by the Sectorial committee of the Belgian Federal Social Security as well as by the jointed ethical committee of the Scientific Institute of Public Health (WIV-ISP) and the Centres for Veterinary and Agrochemical Research (CODA-CERVA) (WIV-ISP & CODA-CERVA merged by April 2018 into a new scientific center called ‘Sciensano’).
: Not applicable
: The authors declare that they have no competing interests.
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