1. Laboratory of Polymer Chemistry, Faculté des Sciences, Université Libre de Bruxelles (ULB), CP 206/1, Boulevard du Triomphe, 1050 Bruxelles, Belgium
2. Laboratory of Analytical and Interface Chemistry, Faculté des Sciences, Université Libre de Bruxelles (ULB), CP 255, Boulevard du Triomphe, 1050 Bruxelles, Belgium
3. Laboratory for Chemistry of Novel Materials, University of Mons-Hainaut, Place du Parc 20, 7000 Mons, Belgium
4. Department of Organic Chemistry, Universidad Complutense de Madrid, Avda. Complutense, 28040 Madrid, Spain