1. International Center for Hospitality Research and Development, Dedman School of Hospitality, The College of Business, Florida State University, Tallahassee, Florida, USA
2. Department of Hospitality, Tourism and Foodservice Management, College of Hospitality and Tourism Management, Sejong University, Seoul, Republic of Korea
3. Department of Tourism Management, College of Economics and Business Administration, Daegu University, Gyeongsangbuk-do, Republic of Korea