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Authors
Young, Donald J. https://orcid.org/0000-0002-9611-5560
Swart, Petrus A.
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Article History
Received: 8 February 2019
Revised: 10 May 2024
Accepted: 23 September 2024
First Online: 24 November 2025
Change Date: 27 November 2025
Change Type: Update
Change Details: The original article has been updated to fix the spelling error in author's last name in the page header. It was misspelled as “Youn”, and it should read “Young”.
