1. Academy for Leisure & Events, Breda University of Applied Sciences, Breda, The Netherlands
2. Department of Recreation, Park, and Tourism Management, The Pennsylvania State University, University Park, PA, United States
3. Department of Hospitality Management, The Pennsylvania State University, University Park, PA, United States
4. Academy for Tourism, Breda University of Applied Sciences, Breda, The Netherlands
5. Rahgosha Counseling Center, Hamedan, Iran