1. Laboratory of Polymer Chemistry, Department of Materials, ETH Zurich, Wolfgang−Pauli−Strasse 10, HCI J541, 8093 Zurich, Switzerland
2. EMEZ (Electron Microscopy ETH Zurich), ETH Zurich, Wolfgang−Pauli−Strasse 16, HPT D9, 8093 Zurich, Switzerland
3. Polymer Physics, ETH Zurich, Wolfgang−Pauli−Strasse 10, HCI H 537, 8093 Zurich, Switzerland
4. Université Grenoble 1/CNRS, LIPhy UMR 5588, 38041 Grenoble, France