1. Department of Industrial Engineering, Stellenbosch University, Stellenbosch, South Africa
2. Department of Industrial Engineering, Stellenbosch University AND DSI-NRF Centre of Excellence in Scientometrics and Science, Technology and Innovation Policy (SciSTIP), Stellenbosch University, Stellenbosch, South Africa
3. Department of Industrial and Systems Engineering, Federal University of Santa Catarina, Florianopolis, Brazil
4. Department of Industrial Engineering, Stellenbosch University AND Next Generation Enterprises and Institution Cluster, CSIR, Pretoria, South Africa