1. Departments of Bioengineering, Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1600, United States
2. École Polytechnique Fédérale de Lausanne (EPFL), Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
3. Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, S3 7HF, South Yorkshire, United Kingdom
4. Department of Polymer Science, The University of Akron, Akron, Ohio 44325-3909, United States
5. School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-2000, United States
6. Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States
7. Department of Materials Science & Engineering, Stanford University, Stanford, California 94305, United States
8. Department of Biomedical Engineering & Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
9. Koch Institute for Integrative Cancer Research, Department of Biological Engineering, Department of Materials Science & Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
10. Department of Chemistry, Program in Polymers and Soft Matter, and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
11. Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
12. California NanoSystems Institute, University of California, Los Angeles, 570 Westwood Plaza, Los Angeles, California 90095-1569, United States
13. Departments of Materials Science and Engineering, Chemistry, Chemical and Biological Engineering and Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, United States
14. Department of Chemical & Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
15. Institute for Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
16. Department of Chemical and Biological Engineering and the BioFrontiers Institute, University of Colorado Boulder, Boulder, Colorado 80309, United States
17. Laboratoire de Chimie des Polymères Organiques, LCPO, Université de Bordeaux, CNRS, Bordeaux INP, UMR 5629, 16 Avenue Pey Berland F-33600 Pessac, France
18. Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, United States
19. Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
20. Fibre and Polymer Technology, Royal Institute of Technology, Teknikringen 56-58, SE-100 44 Stockholm, Sweden