1. Department of Recreation, Park and Tourism Management, Pennsylvania State University, University Park, PA, USA
2. Hainan University-Arizona State University, International Joint Tourism College & School of Community Resources and Development, Phoenix, USA
3. Tourism Department, Ponta Grossa State University, Ponta Grossa, Brazil
4. Division of Forestry and Natural Resources, West Virginia University, Morgantown, WV, USA
5. Department of Tourism, Recreation, and Leisure Studies, National Dong Hwa University, Shoufeng, Hualien County, Taiwan
6. Yultuz & Kunduz Education Charity Fund, Ürümqi, Xinjiang Uyghur Autonomous Region, PRC