1. 1 Bialystok University of Technology , Poland
2. 2 Haaga-Helia University of Applied Sciences , Finland
3. 3 Bielefeld University of Applied Sciences , Germany
4. 4 RWTH Aachen University , Germany
5. 5 Lappeenranta-Lahti University of Technology, Finland Kozminski University , Poland
6. 6 International Islamic University Malaysia , Malaysia