1. Division
of Radiopharmaceutical Chemistry, German Cancer Research Center, 69120 Heidelberg, Germany
2. Molecular
Structure Analysis, German Cancer Research Center, 69120 Heidelberg, Germany
3. Department
of Nuclear Medicine, University Hospital Heidelberg, 69120 Heidelberg, Germany
4. Clinical
Cooperation Unit Nuclear Medicine, German Cancer Research Center, 69120 Heidelberg, Germany