1. Department of Chemistry
2. Center for Education and Research on Macromolecules (CERM)
3. University of Liège
4. 4000 Liège
5. Belgium
6. Institute of Chemical Research of Catalonia (ICIQ)
7. The Barcelona Institute for Science & Technology (BIST)
8. 43007 Tarragona
9. Spain
10. Catalan Institute for Research and Advanced Studies (ICREA)