Boshoff, W. H. P. http://orcid.org/0000-0003-2769-5546
Pretorius, Z. A.
Terefe, T. G.
Bender, C. M.
Herselman, L.
Maree, G. J.
Visser, B.
Funding for this research was provided by:
National Research Foundation (87692)
Article History
Accepted: 6 June 2018
First Online: 9 June 2018
Compliance with ethical standards
: We hereby declare that our submission is in compliance with the ethical responsibilities and standards of the EJPP as well as those of the University of the Free State.
: The authors declare that they have no conflict of interest.