1. Fac. of Math. & Phys., Charles Univ. in Prague, Prague, Czech Republic
2. Corp. Res. Group, Volkswagen AG, Wolfsburg, Germany
3. Ludwig-Maximilians-Univ. Munchen, München, Germany
4. Dipt. di Inf., Univ. di Pisa, Pisa, Italy
5. Univ. di Firenze, Florence, Italy
6. Fraunhofer FOKUS, Berlin, Germany
7. Univ. di Modena e Reggio Emilia, Modena, Italy