1. a Department of Quality and Operations Management, Faculty of Engineering and Built Environment, University of Johannesburg, Johannesburg, South Africa
2. b Developmental, Capable and Ethical States, Human Sciences Research Council, Pretoria, South Africa
3. c Smart Places Division, Holistic Climate Change, Climate Services, Council for Scientiific and Industrial Research, Pretoria, South Africa
4. d Smart and Sustainable Cities and Regions Research Group, Department of Urban and Regional Planning, Faculty of Engineering and Built Environment, University of Johannesburg, Johannesburg, South Africa
5. e Advanced Materials Division, DSI/Mintek Nanotechnology Innovation Centre, Mintek, Johannesburg, South Africa
6. f Resilience and Innovation Centre, Pretoria, South Africa