[1] Univ Kentucky, Coll Agr Food & Environm, Dept Retailing & Tourism Management, 304C Erikson Hall,135 Graham Ave, Lexington, KY 40506 USA
[2] Univ South Carolina, Sch Hotel Restaurant & Tourism Management, Columbia, SC 29208 USA
[3] Oklahoma State Univ, Sch Hospitality & Tourism Management, Spears Sch Business, Stillwater, OK 74078 USA