1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Graduate University of Chinese Academy of Sciences, Renmin Street 5625, 130022 Changchun, P.R. China
2. BASF SE, Polymer Physics, 67056 Ludwigshafen, Germany
3. HASYLAB am DESY, Notkestrasse 85, 22607 Hamburg, Germany