1. Division of Policy, Administration and Social Sciences Education, Faculty of Education, University of Hong Kong, Room 419, Runme Shaw Building, Pokfulam Road, Hong Kong, China
2. Center for Innovation, Technology and Policy Research IN+/IST, Instituto Superior Técnico, University of Lisbon, Avenida Rovisco Pais, 1049 Lisbon, Portugal
3. Department of Engineering Management, Information and Production Engineering, University of Bergamo, Bergamo, Italy