1. Stellenbosch University,Department of Industrial Engineering,South Africa
2. Stellenbosch University AND DST-NRF Centre of Excellence in Scientometrics and Science, Technology and Innovation Policy (SciSTIP), Stellenbosch University,Department of Industrial Engineering,South Africa
3. Stellenbosch University,Next Generation Enterprises and Institution cluster, CSIR, Pretoria,South Africa & Department of Industrial Engineering,South Africa