1. Department of Internal Medicine V, University of Heidelberg, Im Neuenheimer Feld 410, D-69120, Heidelberg
2. Department of Nuclear Medicine, University of Heidelberg, Im Neuenheimer Feld 400, D-69120, Heidelberg
3. Department of Surgery, Klinikum Bremen-Mitte, D-28205, Bremen
4. Department of Radiopharmaceutical Chemistry, German Cancer Research Center, Heidelberg
5. Department of Pathology, University of Heidelberg, Im Neuenheimer Feld 220/221, D-69120, Heidelberg