About the Authors
- Kerry E. Uebel
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Contributed equally to this work with: Kerry E. Uebel, Gina Joubert, Edwin Wouters, Willie F. Mollentze, Dingie H. C. J. van Rensburg
* E-mail: uebelke@fshealth.gov.za
Affiliation Department of Internal Medicine, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
- Gina Joubert
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Contributed equally to this work with: Kerry E. Uebel, Gina Joubert, Edwin Wouters, Willie F. Mollentze, Dingie H. C. J. van Rensburg
Affiliation Department of Biostatistics, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
- Edwin Wouters
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Contributed equally to this work with: Kerry E. Uebel, Gina Joubert, Edwin Wouters, Willie F. Mollentze, Dingie H. C. J. van Rensburg
Affiliations Department of Sociology and Research Centre for Longitudinal and Life Course Studies, University of Antwerp, Belgium, Centre for Health Systems Research and Development, University of the Free State, Bloemfontein, South Africa
- Willie F. Mollentze
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Contributed equally to this work with: Kerry E. Uebel, Gina Joubert, Edwin Wouters, Willie F. Mollentze, Dingie H. C. J. van Rensburg
Affiliation Department of Internal Medicine, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
- Dingie H. C. J. van Rensburg
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Contributed equally to this work with: Kerry E. Uebel, Gina Joubert, Edwin Wouters, Willie F. Mollentze, Dingie H. C. J. van Rensburg
Affiliation Centre for Health Systems Research and Development, University of the Free State, Bloemfontein, South Africa
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KEU GJ DHCJVR. Performed the experiments: KEU. Analyzed the data: KEU GJ EW. Wrote the paper: KEU GJ EW WFM DHCJVR.