1. Robert B. Willumstad School of Business, Adelphi University, Garden City, NY, USA
2. Faculty of Economics and Administrative Sciences, Turkish-German University, Istanbul, Turkey
3. Reha Midilli Foca Faculty of Tourism, Department of Tourism Management, Dokuz Eylul University, Izmir, Turkey
4. Faculty of Economics and Administrative Sciences, The Piri Reis University, İstanbul, Turkey