1. Technical University of Vienna, Vienna, Austria
2. Technische Universität Braunschweig, ISBS, Beethovenstraße 51b, 38106 Braunschweig, Germany
3. Nottingham Transportation Engineering Centre (NTEC), University of Nottingham, University Park, Nottingham NG7 2RD, UK
4. IMP Bautest AG, Hauptstrasse 591, CH-4625 Oberbuchsiten, Switzerland
5. Nynas AB, SE 149 82 Nynashamm, Sweden
6. Arizona Chemical, Transistorstraat 16, 1322 CE Almere, Netherlands
7. Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
8. Michigan Technological University, 1400 Townsend Drive, Houghton, MI, USA