1. Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary
2. ELKH-ELTE Research Group of Peptide Chemistry, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary
3. Institute of Chemistry, Faculty of Science, Eötvös Loránd University, Pázmány Péter Sétány 1/A, H-1117 Budapest, Hungary
4. Department of Biopharmacy, Faculty of Pharmacy, University of Debrecen, Nagyerdei St. 98, H-4032 Debrecen, Hungary