1. Biomedical Chemistry Clinic of Radiology and Nuclear Medicine Medical Faculty Mannheim of Heidelberg University Theodor-Kutzer-Ufer 1–3 68167 Mannheim Germany
2. Department of Pharmaceutical Sciences Medicinal Chemistry Section “Pietro Pratesi” University of Milan Via L. Mangiagalli 25 20133 Milan Italy
3. Molecular Imaging and Radiochemistry Department of Clinical Radiology and Nuclear Medicine Medical Faculty Mannheim of Heidelberg University Theodor-Kutzer-Ufer 1–3 68167 Mannheim Germany