1. Department of Chemistry University of Victoria Victoria BC V8P 5C2 Canada
2. School of Chemistry University of Bristol Bristol BS8 1TS UK
3. Macromolecular Chemistry II University of Bayreuth 95440 Bayreuth Germany
4. Bavarian Polymer Institute University of Bayreuth 95440 Bayreuth Germany
5. Center for Advanced Materials and Related Technology (CAMTEC) University of Victoria 3800 Finnerty Rd Victoria BC V8P 5C2 Canada