Received: 19 December 2019
Accepted: 1 July 2020
First Online: 13 July 2020
Ethics approval and consent to participate
: In line with the Dutch Medical Research Involving Human Subjects Act (WMO), no specific ethics approval has been requested. Use of Drug Information System data of the National Health Care Institute for this study, is within its t statutory tasks governed by the Health Insurance Act, and individual patient data were not traceable to individual patients, prescribers, pharmacies, or health insurers. Consent to participate has not been, or could have been, obtained for this retrospective study.
: PG and MM are appointed at the Medicines Evaluation Board in the Netherlands, VV is appointed by the National Health Care Institute in the Netherlands, DB and CN declare that they have no conflict of interest.