1. Higher School of Education and Social Sciences, CI&DEI, Polytechnic of Leiria, Campus 1, Rua Dr. João Soares, Apartado 4045, 2411-901 Leiria, Portugal
2. CEOS.PP—Polo Coimbra (ISCAC) & Business Research Unit (BRU-IUL-ISCTE), Polytechnic Institute of Coimbra, Coimbra Business School, Quinta Agrícola—Bencanta, 3045-231 Coimbra, Portugal
3. REMIT—Research on Economics, Management and Information Technologies, Department of Economics and Management, Universidade Portucalense, 4200-027 Porto, Portugal
4. Instituto Superior Miguel Torga, Largo da Cruz de Celas No.1, 3000-132 Coimbra, Portugal