1. Instituto Universitário de Lisboa (ISCTE-IUL), Lisbon, Portugal;
2. Instituto Universitário de Lisboa (ISCTE-IUL) and Business research Unit (BRU/UNIDE) and SOCIUS, Lisbon, Portugal;
3. NOVA Information Management School (NOVA IMS), Universidade Nova de Lisboa, Lisbon, Portugal;
4. University Lusófona and ISEG-University of Lisbon, Lisbon, Portugal