1. University of Bath, Bath, United Kingdom
2. Coventry University, Coventry, United Kingdom
3. University of Bonn, Bonn, Germany
4. JINR, Dubna, Russian Fed.
5. CNRS and University of Lille, Lille, France
6. b-it, Bonn, Germany
7. Slovak Academy of Sciences, Bratislava, Slovakia
8. University of Montpellier, Montpellier, France
9. UL, CNRS, Inria & LORIA & MPII & Saarland University, Nancy, France