DATA AVAILABITY STATEMENT: Original data is held for safe keeping at the Gordon Institute of Business Science - University of Pretoria and is available
upon requests made to the corresponding author, A.G.v.d.W.
This article is partially based on the author’s thesis of the
degree of Doctor of Philosophy at the Gordon Institute of
Business Science, University of Pretoria, South Africa, with
supervisor Dr Kerrin Myres, received March 2023, available
here: http://hdl.handle.net/2263/92623.