1. Department
of Polymers, University of Chemistry and Technology, Prague, Technická
5, 16628 Prague, Czech Republic
2. Institute
of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovský Square 2, 16206 Prague, Czech Republic
3. Department
of Natural Sciences, University of Maryland Eastern Shore, Princess Anne, Maryland 21853, United States
4. Department
of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0215, United States
5. Institute
of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 11610 Prague, Czech Republic