1. Catalysis and Peptide Research Unit University of KwaZulu-Natal Durban 4000 South Africa
2. Department of Nuclear Medicine Cliniques Universitaires Saint-Luc, and Institute of Clinical and Experimental Research Université Catholique de Louvain Brussels Belgium
3. Nuclear Medicine Research Infrastructure NPC Pretoria 0001 South Africa
4. Radiochemistry The South African Nuclear Energy Corporation Brits 0420 South Africa
5. Preclinical Drug Development Platform North West University Potchefstroom 2520 South Africa
6. Department of Chemistry University of Zululand KwaDlangezwa 3886 South Africa
7. Department of Nuclear Medicine University of Pretoria Pretoria 0001 South Africa