1. Center
for Education and Research on Macromolecules (CERM), University of Liège, B6a, Sart-Tilman, B-4000 Liège, Belgium
2. DUBBLE@ESRF, Netherlands Organization for Scientific Research (NWO), 6 Rue Jules Horowitz, Grenoble 38043, France
3. Department
of Chemical Engineering, University of Liège, B6a, Sart-Tilman, B-4000 Liège, Belgium
4. Polymer
Chemistry and Materials, Chemistry Department, Katholieke Universiteit Leuven, Celestijnenlaan 200F, B-3001 Leuven, Belgium