About the Authors

Etheresia Pretorius

resia.pretorius@up.ac.za

Affiliation Department of Physiology, University of Pretoria, Arcadia, South Africa

Janette Bester

Affiliation Department of Physiology, University of Pretoria, Arcadia, South Africa

Natasha Vermeulen

Affiliation Department of Physiology, University of Pretoria, Arcadia, South Africa

Boguslaw Lipinski

Affiliation Joslin Diabetes Center, Harvard Medical School, Boston, Massachusetts, United States of America

George S. Gericke

Affiliation AMPATH National Reference Laboratory, Centurion, South Africa

Douglas B. Kell

Affiliation School of Chemistry and The Manchester Institute of Biotechnology, The University of Manchester, Lancs, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EP BL DBK. Performed the experiments: JB NV GSG. Analyzed the data: EP DBK. Contributed reagents/materials/analysis tools: EP DBK. Wrote the paper: EP DBK.