1. Department of Neuroradiopharmaceuticals; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Research Site Leipzig; Leipzig Germany
2. Department of Chemistry and Biochemistry, Department of Pharmacy Practice and Pharmaceutical Sciences; University of Minnesota; Duluth Minnesota, USA
3. Institute of Synthetic Chemistry; Kaunas University of Technology; Kaunas Lithuania
4. Department of Cell Biology and Biochemistry; Texas Tech University Health Sciences Center; Lubbock Texas, USA
5. Department of Biomedical Sciences; University of Minnesota Medical School Duluth; Duluth Minnesota, USA