1. Waikato Management School, The University of Waikato, Hamilton , New Zealand
2. School of Tourism Management, Sun Yat-sen University, Guangzhou, China
3. UIUC-SYSU International Joint Lab for National Park Research (Zhangjiajie), Sun Yat-sen University, Guangzhou, China
4. Department of Recreation, Sport and Tourism, University of Illinois at Urbana-Champaign, Champaign, IL, USA