[1] Purdue Univ, Dept Hospitality & Tourism Management, W Lafayette, IN 47907 USA
[2] Kwangwoon Univ, Coll Business Adm, Seoul, South Korea
[3] Univ Notre Dame, Coll Comp Sci, Notre Dame, IN 46556 USA
[4] Purdue Univ, Coll Comp Sci, W Lafayette, IN 47907 USA
[5] Purdue Univ, Dept Ind Technol, W Lafayette, IN 47907 USA
[6] Indiana Univ Purdue Univ, Div Business, Columbus, IN USA
[7] Auburn Univ, Auburn, AL 36849 USA
[8] Univ New Haven, Coll Business, New Haven, CT USA