Prof. Dr. C. Valenta, University of Vienna/Austria
Prof. Dr. R . Daniels, University Tuebingen/Germany
Prof. Dr. K. Mäder and PD Dr. A. Meister, Martin Luther University Halle-Wittenberg/Germany
Prof. Dr. H. Bunjes, University Braunschweig/Germany
Prof. Dr. A. Bauer-Brandl, University of Southern Denmark/Odense/Denmark