1. BAM Federal Institute for Materials Research and Testing; Unter den Eichen 87 D-12205 Berlin Germany
2. Currently with BASF SE; Carl-Bosch-Str. 38 D-67056 Ludwigshafen am Rhein Germany
3. Otto-von-Guericke-University Magdeburg; Universitätsplatz 2 D-39106 Magdeburg Germany