1. University of Aveiro,DAO & CESAM,Aveiro,Portugal
2. ISCTE-University Institute of Lisbon and Business Research Unit (bru_iscte),Lisboa,Portugal
3. INESC TEC, Centre for Power and Energy Systems,Campus da FEUP,Porto,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