P. I. Kudrina
Yakutsk scientific center of complex medical problems of the Siberian Branch of the Russian academy of medical sciences; Geriatric center of the Republican hospital №3
Russian Federation

Kudrina Polina Ivanovna – candidate of medical science, junior research assistant;

Neurologist

Yakutsk

L. A. Ar’ev
SPb MAPO, Department of Gerontology and Geriatrics
Russian Federation

Ar’ev Leonid Alexandrovich, MD, professor