1. Molecular Recognition Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, United States
2. PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
3. Center for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103 Leipzig, Germany
4. European Institute for Molecular Imaging (EIMI), University of Münster, Waldeyerstrasse 15, D-48149 Münster, Germany
5. Medicity Research Laboratory, University of Turku, 20520 Turku, Finland
6. Department of Otorhinolaryngology-Head and Neck Surgery, Turku University Hospital and Turku University, 20520 Turku, Finland
7. Department of Pathology, Turku University Hospital and Turku University, 20520 Turku, Finland
8. Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520 Turku, Finland