1. ISAG – European Business School, Porto, Portugal & Research Centre in Business Sciences and Tourism (CICET – FCVC), Porto, Portugal
2. ISAG – European Business School, Porto, Portugal & Research Centre in Business Sciences and Tourism (CICET – FCVC), Porto, Portugal & Research Centre in Organizations, Markets and Industrial Management (COMEGI), Porto, Portugal
3. ISAG – European Business School and Research Center in Business Sciences and Tourism (CICET-FCVC), Porto, Portugal & Applied Management Research Unit (UNIAG), Instituto Politécnico de Bragança, Bragança,Portugal & IPVC—Polytechnic Institute of Viana do Castelo, Viana do Castelo, Portugal
4. Faculty of Economics and CEF.UP, University of Porto, Porto, Portugal