1. Polymer Chemistry Research Group and Laboratory for Organic Synthesis, Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 (S4), 9000 Ghent, Belgium
2. Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Paul Sabatier, 118 route de Narbonne, 31062 Cedex 9 Toulouse, France
3. Ghent Quantum Chemistry Group, Department of Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 (S3), 9000 Ghent, Belgium