Published on in Vol 20, No 1 (2018): January
1 School of Computer Science and Communication, KTH Royal Institute of Technology, Stockholm, Sweden
2 Institute of Informatics, Technische Hochschule Köln, University of Applied Sciences, Gummersbach, Germany
3 Department of Business Studies, Uppsala University, Uppsala, Sweden
4 Department of Information Technology, Uppsala University, Uppsala, Sweden
5 School of Informatics, University of Skövde, Skövde, Sweden
*all authors contributed equally