1. Department of Macromolecular PhysicsFaculty of Mathematics and PhysicsCharles University V Holesovickach 2 18000 Prague Czech Republic
2. Chair for Multicomponent MaterialsFaculty of EngineeringKiel University Kiel Germany
3. Deutsches Elektronen‐Synchrotron (DESY) Notkestr. 85 D‐22607 Hamburg Germany
4. KTH Royal Institute of TechnologyDepartment of Fibre and Polymer Technology Teknikringen 56‐58 SE‐100 44 Stockholm Sweden