| Authors: |
von Pressentin KB; Division of Family Medicine and Primary Care, Stellenbosch University, Cape Town, South Africa kvonpressentin@sun.ac.za., Mash RJ; Division of Family Medicine and Primary Care, Stellenbosch University, Cape Town, South Africa., Baldwin-Ragaven L; Department of Family Medicine, School of Clinical Medicine, University of the Witwatersrand, Johannesburg, South Africa., Botha RPG; Department of Family Medicine, University of Pretoria, Pretoria, South Africa., Govender I; Family Medicine, Sefako Makgatho Health Sciences University, Pretoria, South Africa., Steinberg WJ; Family Medicine, University of the Free State, Bloemfontein, South Africa., Esterhuizen TM; Biostatistics Unit, Centre for Evidence-based Health Care, Department of Global Health, Stellenbosch University, Cape Town, South Africa. |
