1. Department of Management and Engineering, University of Padova 35122, Padova Italy (e-mail: lara.agostini@unipd.it).
2. Department of Management and Engineering, University of Padova 35122, Padova Italy (e-mail: annanosella@unipd.it).
3. Addis Ababa Science and Technology University, Addis Ababa 16417 Ethiopia (e-mail: mbt.371@gmail.com).
4. Department of Technology Management and Economics, Chalmers University of Technology 412 96, Goteborg Sweden (e-mail: marhol@chalmers.se).