1. Faculty of Applied Economics, Department of Marketing, University of Antwerp, Antwerpen, Belgium
2. University of Antwerp, Antwerp, Belgium
3. Antwerp Management School, Antwerp, Belgium
4. Faculty of Economics and Business Administration, Department of Marketing, University of Antwerp, Antwerp, Belgium
5. Faculty of Economics and Business Administration, Department of Marketing, Ghent University, Antwerp, Belgium
6. Faculty of Business Administration and Economics, Department of Management & Marketing, European University, Frankfurt (Oder), Germany