1. Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
2. Center
for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
3. Institute of Macromolecular Compounds of the Russian Academy of Sciences, Saint Petersburg, 199004, Russia
4. Saint Petersburg National University of Informational Technologies, Mechanics and Optics, Saint Petersburg 197101, Russia
5. Institute
of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
6. Department
of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada