1. Department of Geography and Environmental Studies, Texas State University, San Marcos, TX, USA
2. Department of Geographical Sciences, University of Nottingham, Ningbo, China
3. School of Tourism and Culture, Guangdong Eco-Engineering Polytechnic, Guangzhou, China
4. School of Geography and Tourism, Jiaying University, Meizhou, China
5. Department of Geography and Sustainability, The University of Tennessee, Knoxville, TN, USA