1. Department of Polymer Science & Engineering, University of Massachusetts, Amherst, Massachusetts 01003
2. Department of Chemistry and Biochemistry and Nanocenter, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208
3. Lehrstuhl für Physikalische Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany
4. DWI an der RWTH Aachen e.V. and Lehrstuhl für makromole kulare materialien and oberflächen, RWTH Aachen university, 52056 Aachen, Germany
5. Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439