?:authorAffiliation
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[\'Department of Nursing and Midwifery, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.\', \'Department of Livestock and Pasture Sciences, Faculty of Science and Agriculture, University of Fort Hare, Alice 5700, South Africa.\', \'School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0001, South Africa.\', \'Cochrane South Africa, South African Medical Research Council, Cape Town, South Africa.\', \'Division of Epidemiology and Biostatistics, Stellenbosch University, Cape Town, South Africa.\', \'School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.\']
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