Funding for this research was provided by:
Belgian Federal Science Policy Office (grant nr. BR/175/A3/ NAMED)
Received: 20 June 2020
Accepted: 4 March 2021
First Online: 1 April 2021
: The data linkage, relying on the secondary use of the Belgian HIS data, administrative, GIS and monitoring data did not require any approval from an Ethics committee. An application to the Sector Committee Statistics has been submitted and approved (see Decision STAT n°02/2018 from the 19/01/2018).
: Not applicable.
: The authors declare that they have no competing interests.