1. Peptide Science Laboratory School of Chemistry and Physics University of KwaZulu-Natal Durban 4000 South Africa
2. KwaZulu-Natal Research Innovation and Sequencing Platform (KRISP) School of Laboratory Medicine and Medical Sciences College of Health Sciences University of KwaZulu-Natal Durban 4000 South Africa
3. Euticals GmbH Industriepark Höchst D569 65926 Frankfurt am Main Germany
4. Institute for Advanced Chemistry of Catalonia (IQAC-CSIC) 08034 Barcelona Spain
5. CIBER-BBN Networking Centre on Bioengineering Biomaterials and Nanomedicine and Department of Organic Chemistry University of Barcelona 08028 Barcelona Spain