1. School
of Chemistry and CRANN, University of Dublin, Trinity College, College
Green, Dublin 2, Ireland
2. Macromolecular
Chemistry Group (Buwmakro) and Institute for Polymer Technology, Bergische Universität Wuppertal, Gauss-Str. 20, D-42119 Wuppertal, Germany
3. ISIS, STFC, Rutherford
Appleton Laboratory, Didcot, Oxon OX11 0QX, U.K.