1. Department of Polymers
2. University of Chemistry and Technology Prague
3. 166 28 Prague 6, Czech Republic
4. Institute of Organic Chemistry and Biochemistry ASCR
5. 166 10 Prague 6, Czech Republic
6. Department of Inorganic Chemistry
7. Division of Chemistry & Biological Chemistry
8. School of Physical and Mathematical Sciences
9. Nanyang Technological University
10. Singapore 637371, Singapore