?:authorAffiliation
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[\'Division of Pulmonology, Department of Medicine, Stellenbosch University and Tygerberg Academic Hospital, Cape Town, South Africa.\', \'Division of Radiodiagnosis, Department of Medical Imaging and Clinical Oncology, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa.\', \'Division of Epidemiology and Biostatistics, Stellenbosch University, Cape Town, South Africa.\']
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