1. Conrad N. Hilton College of Hotel and Restaurant Management, University of Houston, Houston, USA
2. College of Hotel & Tourism Management, Kyung Hee University, Seoul, South Korea
3. School of Hospitality, Tourism, & Events, Taylor’s University Lakeside Campus, Subang Jaya, Malaysia
4. Ecole hôtelière de Lausanne, HES-SO University of Applied Sciences Western Switzerland, Lausanne, Switzerland
5. Department of Hotel and Tourism Management, Woosong University, Daejon, South Korea