1. School of Management, Cranfield University, Cranfield, UK
2. Faculty of Commerce, Tanta University, Tanta, Egypt
3. Faculty of Commerce, Al-Azhar University, Cairo, Egypt
4. Business School, Exeter University, Exeter, UK
5. School of Business, King Faisal University, Al-Ahsaa, Saudi Arabia
6. Hotel and Tourism Faculty, Suez Canal University, Ismailia, Egypt
7. Business School, Hull University, Hull, UK
8. Faculty of Commerce, Cairo University, Giza, Egypt