1. Radiopharmaceutical Unit, Wolfson Brain Imaging Centre, Department of Clinical Neurosciences, School of Clinical Medicine; University of Cambridge; Cambridge UK
2. University of Debrecen, Faculty of Medicine Department of Medical Imaging, Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, Faculty of Medicine H-4032 Nagyerdei krt. 98; University of Debrecen; Debrecen Hungary