1. Department of Mechanical Engineering; Eindhoven University of Technology; P.O. Box 513 5600MB Eindhoven The Netherlands
2. Department of Chemical Engineering and Chemistry; Laboratory of Polymer Technology; P.O. Box 513 5600MB Eindhoven The Netherlands
3. DUBBLE CRG BM26@ESRF, Netherlands Organization for Scientific Research; 6 rue Jules Horowitz; Grenoble 38043 France