1. Syncom BV; Kadijk 3 9747 AT Groningen The Netherlands
2. KU Leuven; Department of Chemistry; Division of Molecular Imaging and Photonics; Celestijnenlaan 200F 3001 Heverlee Belgium
3. University of Innsbruck; Institute of General, Inorganic and Theoretical Chemistry; Innrain 80-82 6020 Innsbruck Austria