1. LF Group Chair for Digital Innovation in Service Industries, HHL Leipzig Graduate School of Management, Jahnallee 59, Leipzig, Germany
2. Department of Business and Information Science, Hochschule Merseburg University of Applied Sciences, Eberhard-Leibnitz-Straße 2, 06217 Merseburg, Germany
3. LF Group Chair for Digital Innovation in Service Industries, HHL Leipzig Graduate School of Management, Jahnallee 59, 04109 Leipzig, Germany