1. Escola Superior de Ciências Empresariais, Instituto Politécnico de Setúbal, Setúbal, Portugal
2. Information Sciences and Technologies and Architecture Research Center, Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal
3. Business School, Business Research Unit, Information Sciences and Technologies and Architecture Research Center, Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal