1. Department of Nuclear Medicine, Klinikum rechts der Isar, Technische Universität München, 81675 Munich, Germany
2. Current address: Department of Nuclear Medicine, Ulm University, 89081 Ulm, Germany
3. Current address: Department of Nuclear Medicine, Rostock University Medical Centre, 18057 Rostock, Germany
4. Department of Urology, Klinikum rechts der Isar, Technische Universität München, 81675 Munich, Germany
5. Current address: Department of Urology, Klinikum Konstanz, 78464 Konstanz, Germany
6. Institute for Advanced Study (IAS) and Center of Integrated Protein Science (CIPSM), Department Chemie, Technische Universität München, 85747 Garching, Germany
7. Institute for Radiopharmaceutical Chemistry, Technische Universität München, 85748 Garching, Germany