1. Department of Chemistry, Laboratory
of Photochemistry and Spectroscopy, Division of Molecular Imaging
and Photonics, KU Leuven, Celestijnenlaan
200F, 3001 Leuven, Belgium
2. Department of Chemistry, Laboratory
of Organic Chemistry and Photochemistry, Université Libre de Bruxelles, Avenue Franklin D. Roosevelt 50,
1050 Brussels, Belgium