1. Department of Mechanical Engineering, University of Melbourne, Australia, and Design Factory, Department of Mechanical Engineering, Aalto University, Aalto, Finland
2. Design Factory, Design Factory, Aalto University, Aalto, Finland
3. Institute of Product Engineering, Karlsruhe Institute of Technology, Karlsruhe, Germany
4. Department of Mechanical Engineering, University of Melbourne, Melbourne, Victoria, Australia
5. Product Development and Mechanical Engineering Design, Hamburg University of Technology, Hamburg, Germany
6. Faculty of Science, Technology, Engineering & Mathematics, The Open University, Milton Keynes, UK
7. Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, Ontario, Canada