E. V. Petrova
Novosibirsk State Medical University
Russian Federation

Ekaterina V. Petrova, postgraduate student of the neurological department

T. F. Popova
Novosibirsk State Medical University
Russian Federation

Tat’yana F. Popova, MD, PhD, DSc, professor of the neurological department

I. A. Gribacheva
Novosibirsk State Medical University
Russian Federation

Irina A. Gribacheva, MD, PhD, DSc, professor of the neurological department 

For correspondence: Address:52 Krasnyi prospekt, Novosibirsk 630091, Russian Federation

G. K. Taitubayeva
Novosibirsk State Medical University
Russian Federation

Gul’nar K. Taitubaeva, postgraduate student of the neurological department