1. School of Chemical and Metallurgical Engineering, University of the Witwatersrand, WITS, Johannesburg, South Africa
2. DSI-NRF Centre of Excellence in Strong Materials, hosted by the University of the Witwatersrand, WITS, Johannesburg, South Africa
3. Academic Development Unit, Faculty of Engineering and the Built Environment, University of the Witwatersrand, WITS, Johannesburg, South Africa
4. Advanced Materials Division, Mintek, Randburg, South Africa