1. Johannes Kepler University, Linz, Austria
2. University of Hildesheim, Hildesheim, Germany
3. Fraunhofer IESE, Kaiserslautern, Germany
4. Lero, University of Limerick, Limerick, Ireland
5. University of Canterbury, Christchurch, New Zealand
6. KU Leuven, Belgium and Linnaeus Univ., Sweden