[1] Sejong Univ, Coll Hospitality & Tourism Management, 98 Gunja Dong, Seoul 143747, South Korea
[2] Oklahoma State Univ, Sch Hospitality & Tourism Management, Spears Sch Business, 365 Human Sci, Stillwater, OK 74078 USA
[3] Dong A Univ, Dept Tourism Management, 1 Bumin Dong,2 Ga, Busan 49236, South Korea