1. Philipps-University of Marburg, School of Business and Economics, Universitätsstraße 25a, 35037 Marburg, Germany
2. Clausthal University of Technology, Department of Business Administration and Market Research, Albrecht-von-Groddeck-Straße 7, 38678 Clausthal-Zellerfeld, Germany
3. École Supérieure du Commerce Extérieur, ESCE International Business School, 10 Rue Sextius Michel, 75015 Paris, France
4. University of Liechtenstein, Fürst-Franz-Josef-Strasse, 9490 Vaduz, Liechtenstein
5. Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Chair of Technology Management, Fürther Str. 246c, 90426 Nuremberg, Germany
6. University of Southern Denmark (SDU), Mads Clausen Institute, Alsion 2, 6400 Sønderborg, Denmark