1. Department of Tourism and Hospitality Management, Shiraz University, Shiraz, Iran
2. Department of Work, Employment and Organisation, University of Strathclyde, Glasgow, United Kingdom of Great Britain and Northern Ireland; School of Tourism and Hospitality, University of Johannesburg, Johannesburg, South Africa
3. Faculty of Administrative Sciences and Economics, University of Isfahan, Isfahan, Iran
4. Shiraz University, Shiraz, Iran