1. Department of Materials Research and Technology (MRT); Luxembourg Institute of Science and Technology (LIST); ZAE Robert Steichen, 5 Rue Bommel L-4940 Hautcharage Luxembourg
2. Laboratory of Polymeric and Composite Materials; Centre d'Innovation et de Recherche en Matériaux Polymères (CIRMAP); Université de Mons, Place du Parc 20 B-7000 Mons Belgium