1. INESC TEC –Institute for Systems and Computer Engineering, Technology and Science,Porto,Portugal
2. ISCTE-University Institute of Lisbon and Business Research Unit (bru_iscte),Lisboa,Portugal
3. University of Aveiro,DAO & CESAM,Aveiro,Portugal
4. University of Aveiro,GOVCOPP – Research Unit on Governance, Competitiveness and Public Policies,DEGEIT – Department of Economics, Management, Industrial Engineering and Tourism,Aveiro,Portugal