1. Molecular Design and Synthesis, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, P.O. Box 2404, B-3001 Heverlee, Belgium
2. Molecular Imaging and Photonics, Department
of Chemistry, KU Leuven, Celestijnenlaan 200D, P.O. Box
2425, B-3001 Heverlee, Belgium