About the Authors

Aishatu Muhammad Nalado

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft

aishnld@yahoo.co.uk

Affiliations Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa, Department of Internal Medicine, College of Health Sciences, Bayero University, Kano, Nigeria

Johnny N. Mahlangu

Roles Investigation, Methodology, Supervision, Writing – review & editing

Affiliation School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Raquel Duarte

Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

Affiliation Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa

Graham Paget

Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

Affiliation Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa

Gbenga Olorunfemi

Roles Formal analysis, Methodology, Validation, Writing – review & editing

Affiliation Division of Epidemiology and Biostatistics, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa

Barry F. Jacobson

Roles Investigation, Methodology, Writing – review & editing

Affiliation Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa

Saraladevi Naicker

Roles Conceptualization, Investigation, Methodology, Project administration, Supervision, Validation, Writing – review & editing

Affiliation Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa

Competing Interests

The authors have declared that no competing interests exist.