1. Department of Chemistry, University of Coimbra, P3004-535 Coimbra, Portugal
2. Macromolecular Chemistry Group, University of Wuppertal, D-42097 Wuppertal, Germany
3. Centro de Neurociências
e Biologia Celular, Universidade de Coimbra, 3004-517 Coimbra, Portugal
4. Department of Chemistry, University of Leuven, Celestijnenlaan 200F, 3001 Heverlee,
Belgium
5. Organic Electroactive Materials
Group, Department of Physics, Durham University, DH1 3LE, United Kingdom