1. Department of Radiopharmaceutical and Chemical Biology (M.U., R.B., J.P.), Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
2. Department of Medicine III (M.U., N.Q., M.E.-B., G.E., S.R.B., C.G.Z.), University Hospital Carl Gustav Carus, 01307 Dresden, Germany; Institute for Clinical Chemistry, Technische Universität Dresden, Germany
3. Laboratory Medicine (M.P., N.Q., G.E.), Technische Universität Dresden, Germany
4. Department of Radioimmunology (M.C.), Institute of Radiopharmaceutical Cancer Research, Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
5. VA Medical Center Miami FL and Department of Pathology and Medicine (N.L.B., A.V.S.), Division of Endocrinology and Hematology-Oncology, University of Miami Miller School of Medicine, Miami, Florida 33136
6. Department of Chemistry and Food Chemistry (J.P.), Technische Universität Dresden, Dresden, Germany