1. Research centre for Synthesis and Catalysis Department of Chemical Sciences University of Johannesburg Auckland Park Johannesburg 2006 South Africa
2. Harwell Science and Innovation Campus Diamond Light Source Didcot OX11 0FA UK
3. Research Complex at Harwell Harwell Science and Innovation Campus Didcot OX11 0FA UK
4. Structural Genomics Consortium Nuffield Department of Medicine University of Oxford Oxford OX3 7DQ UK
5. Department of Biochemistry University of Johannesburg Auckland Park Johannesburg 2006 South Africa