1. Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, University Road, Westville, Durban 4001, South Africa
2. KRISP, College of Health Sciences, University of KwaZulu-Natal, 719 Umbilo Road, Umbilo, Durban 4041, South Africa
3. Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
4. Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426,
Ibrahimia, Alexandria 21321, Egypt
5. Department of Organic Chemistry, University of Barcelona, Martí i Franqués 1-11, Barcelona 08028, Spain
6. CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, Barcelona 08028, Spain