1. ISAG-European Business School, Portugal & Research Center in Business Sciences and Tourism (CICET-FCVC), Portugal & Research Centre in Organizations, Markets and Industrial Management (COMEGI), Portugal
2. ISAG-European Business School, Portugal & Research Center in Business Sciences and Tourism (CICET-FCVC), Portugal & Polytechnic Institute of Viana do Castelo (IPVC), Portugal & Applied Management Research Unit (UNIAG), Portugal
3. Lusíada University and Research Centre in Organizations, Markets and Industrial Management (COMEGI), Portugal
4. Universidade Europeia - Ipam, Porto, Portugal