1. Department of Industrial Engineering, Stellenbosch University, Stellenbosch, South Africa
2. Access-To-Medicines Research Centre, Faculty of Economics and Business, KU Leuven, Leuven, Belgium
3. Department of Technology Management, INSEAD, Fontainebleau, France
4. Department of Operations and Technology, Kuehne Logistics University, Hamburg, Germany
5. Kuhne-Stiftung, Schindellegi, Switzerland
6. Council for Scientific and Industrial Research, Pretoria, South Africa