16	Would you say that certain key norms, values and rules have always applied to TT in Brussels?	To assess the institutional character of TT in BXL and its evolution over time	To know how idiosyncratic the process of TT in BXL is	Collective behavior	Suddaby, R., Seidl, D., & Lê, J. (2013) . Strategy-as-practice meets neo-institutional theory.
17	Do you feel that the strength and number of the TT interactions has increased over the years?	To assess the density of the network	If the network’s density changed over the years	Networks theory - Collective behavior theory - Game theory - Genesis & ontogenetic literature	Dedehayir, O., Mäkinen, S. J., & Ortt, J. R. (2018) . Roles during innovation ecosystem genesis: A literature review. Technological Forecasting and Social Change, 136, 18-29.
18	Has your behavior changed in the present as a result of how the TT system has evolved since its conception? Why so?	To assess behavioral change in the respondent in relation to change in the system	How the system influences the respondent’s behavior	Collective behavior	Suddaby, R., Seidl, D., & Lê, J. (2013) . Strategy-as-practice meets neo-institutional theory.
19	Who are the key stakeholders in technology transfer in Brussels today?	To know who is/was central to TT in BXL	The see if there is a shift in the centrality of stakeholders in the network	Stakeholder strategy literature	Iansiti, M., & Levien, R. (2004) . The keystone advantage: what the new dynamics of business ecosystems mean for strategy, innovation, and sustainability. Harvard Business Press.
20	According to you, how does technology transfer take place in Brussels today?	To assess any changes over time	If the respondent observes change in the system	Technology transfer literature	Iansiti, M., & Levien, R. (2004) . The keystone advantage: what the new dynamics of business ecosystems mean for strategy, innovation, and sustainability. Harvard Business Press.
21	Would you say that TT in BXL has become more efficient in the current era?	To assess the presence of efficiency increases in TT in BXL	If efficiency of interactions and TT has increased	Network theory - Collective behavior theory - Game theory - Genesis & ontogenetic literature	Dedehayir, O., Mäkinen, S. J., & Ortt, J. R. (2018) . Roles during innovation ecosystem genesis: A literature review. Technological Forecasting and Social Change, 136, 18-29.
22	Would you say TT in BXL has the features of a value chain or value network? Would you say it has the features of a cluster? Would you say it has the features of an ecosystem? Would you say it has features of all of the above and why?	To assess the conceptual model that applies to TT	How the respondent views TT in BXL from a conceptual viewpoint	Value chain literature - Cluster literature - Innovation ecosystem literature	Iansiti, M., & Levien, R. (2004) . The keystone advantage: what the new dynamics of business ecosystems mean for strategy, innovation, and sustainability. Harvard Business Press.