1. Catalysis and Peptide Research Unit University of KwaZulu‐Natal Durban South Africa
2. College of Health Sciences University of KwaZulu‐Natal Durban South Africa
3. Division of Endocrinology Diabetes and Metabolism Department of Internal Medicine University of Missouri‐Columbia School of Medicine Columbia Missouri USA
4. Diabetes and Cardiovascular Disease Center University of Missouri‐Columbia School of Medicine Columbia Missouri USA
5. School of Life Sciences University of KwaZulu‐Natal Durban South Africa