1. Institute for People & Business, HU University of Applied Sciences Utrecht, Padualaan 101, 3584 CH Utrecht, The Netherlands
2. Department of Applied Information Systems, College of Business and Economics, University of Johannesburg, Johannesburg 2006, South Africa
3. Research Center in Business and Economics (CICEE), Universidade Autónoma de Lisboa, Rua Sta. Marta 47, 5.º Andar, 1150-293 Lisbon, Portugal
4. Higher Institute of Business Sciences and Tourism (ISCET), 4050-180 Porto, Portugal