1. Johann Bernoulli Institute for Mathematics and Computer Science University of Groningen Groningen The Netherlands
2. Electronic Systems Group Eindhoven University of Technology Eindhoven The Netherlands
3. Donald Smits Centrum voor Informatie Technologie University of Groningen Groningen The Netherlands
4. Rotasoft Inc. Ankara Turkey
5. Department of Computer Science and Technology University of Bedfordshire Bedford UK
6. Institute of Artificial Intelligence and Cognitive Engineering University of Groningen Groningen The Netherlands