1. IPAM Lisboa and Instituto Universitário de Lisboa (ISCTE-IUL), Business Research Unit (BRU-IUL), Portugal
2. University of St Andrews, Scotland
3. Instituto Universitário de Lisboa (ISCTE-IUL), Business Research Unit (BRU-IUL), Portugal
4. Fogelman College of Business and Economics, University of Memphis, USA
5. Nova School of Business and Economics, Universidade Nova de Lisboa, Portugal