1. Department of Nuclear Medicine, Molecular Imaging and Radiochemistry; Friedrich Alexander University Erlangen-Nürnberg (FAU); Schwabachanlage 6 D-91054 Erlangen Germany
2. Department of Chemistry and Pharmacy, Medicinal Chemistry, Emil Fischer Center; Friedrich Alexander University Erlangen-Nürnberg (FAU); Schuhstrasse 19 D-91052 Erlangen Germany