1. Associate Professor in Marketing, Department of Marketing, Università Commerciale Luigi Bocconi and SDA Bocconi School of Management, Via Roentgen 1, Milan, Italy;
2. Associate Professor in Marketing, College of Business, Ball State University, Whitinger Business Building, Room 309, Muncie, Indiana 47306, USA;
3. Assistant Professor in Marketing, Elon University, Martha and Spencer Love School of Business, Department of Marketing and International Business, 2075 Campus Box, Elon, North Carolina 27244, USA;
4. Senior Lecturer in Marketing, University of Auckland Business School, 12, Grafton Road, Auckland, New Zealand