About the Authors

Phillip Armand Bester

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

besterpa@ufs.ac.za, besterpa.sci@gmail.com

Affiliation Division of Virology, University of the Free State and National Health Laboratory Service (NHLS), Bloemfontein, South Africa

Andrie De Vries

Roles Conceptualization, Formal analysis, Methodology, Visualization

Affiliation RStudio Team (2016). RStudio: Integrated Development for R. RStudio, Inc., Boston, MA, United States of America

Stephanus Riekert

Roles Methodology, Resources, Writing – review & editing

Affiliation Information and Communication Technology Services, University of the Free State, Bloemfontein, South Africa

Kim Steegen

Roles Methodology, Validation, Writing – review & editing

Affiliation Department of Molecular Medicine and Haematology, University of the Witwatersrand, Johannesburg, South Africa

Gert van Zyl

Roles Methodology, Validation, Writing – review & editing

Affiliation Division of Medical Virology, Stellenbosch University and National Health Laboratory Service (NHLS) Tygerberg, Cape Town, South Africa

Dominique Goedhals

Roles Conceptualization, Methodology, Resources, Validation, Writing – original draft, Writing – review & editing

Affiliation Division of Virology, University of the Free State and National Health Laboratory Service (NHLS), Bloemfontein, South Africa

Competing Interests

Andrie De Vries is employed by RStudio, Inc. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.