1. Department of Marketing, School of Business, Renmin University of China, 100872 Beijing, China
2. Department of Marketing and Supply Chain Management, Fox School of Business, Temple University, Philadelphia, Pennsylvania 19122
3. Department of Decision & Information Sciences, C.T. Bauer College of Business, University of Houston, Houston, Texas 77204
4. Department of Marketing, College of Business, City University of Hong Kong, Kowloon Tong, Hong Kong