About the Authors

Tom H. Boyles

tomboyles@yahoo.com

Affiliations Madwaleni Hospital, Eastern Cape, South Africa, Division of Infectious Diseases and HIV Medicine, Department of Medicine, University of Cape Town, Cape Town, South Africa

Lynne S. Wilkinson

Affiliation Madwaleni Hospital, Eastern Cape, South Africa

Rory Leisegang

Affiliation Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa

Gary Maartens

Affiliation Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: THB LSW RL GM. Analyzed the data: RL. Wrote the paper: THB LSW RL GM.