1. PET Centre; National Almazov Medical Research Centre; 2 Akkuratova street 197341 St. Petersburg Russia
2. N.P. Bechtereva Institute of Human Brain; Laboratory of Radiochemisty; Russian Academy of Science; 9 Ak. Pavlova st. 197376 St. Petersburg Russia
3. Institute of Chemistry; Laboratory of Radiochemisty; St.-Petersburg State University; Universitetskaya Emb., 13B 199034 St. Petersburg Russia