1. Business Research Unit (BRU-IUL), Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal
2. DINÂMIA’CET – IUL, Centre for Socioeconomic and Territorial Studies, Lisbon, Portugal
3. International Business and Finance, The University of Tulsa, Tulsa, OK, USA
4. School of Management and Marketing, The University of Waikato, Hamilton, New Zealand