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Authors
Fourie, Danielle Hope https://orcid.org/0000-0002-0535-169X
Burger, Johanita Riétte https://orcid.org/0000-0002-1740-5675
du Plessis, Jesslee Melinda https://orcid.org/0000-0001-9189-393X
Lubbe, Martha Susanna https://orcid.org/0000-0001-7611-6171
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Funding
Funding for this research was provided by:
North-West University
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Article History
Received: 15 October 2025
Accepted: 12 January 2026
First Online: 24 February 2026
Competing interests
: The authors declare no competing interests.
: This study was approved by the North-West University Health Research Ethics Committee (NWU-00179-14-A1-16) and goodwill permission to conduct the study was obtained from the board of directors of the PBM company. To maintain anonymity and confidentiality, depersonalised medicine claims data were received from the PBM company. As such, patient consent was waived. This study was compiled in accordance with the Declaration of Helsinki.
: As depersonalised medicine claims data were used where no individual patient could be identified, patient consent was waived.
