1. Institute of Chemical Process Engineering; Mannheim University of Applied Sciences; Paul-Wittsack-Str. 10 68163 Mannheim Germany
2. Molecular Imaging and Radiochemistry, Department of Clinical Radiology and Nuclear Medicine; Medical Faculty Mannheim of Heidelberg University; Theodor-Kutzer-Ufer 1-3 68167 Mannheim Germany
3. Biomedical Chemistry, Department of Clinical Radiology and Nuclear Medicine; Medical Faculty Mannheim of Heidelberg University; Theodor-Kutzer-Ufer 1-3 68167 Mannheim Germany