A. V. Turusheva
The North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Anna V. Turusheva - MD, PhD, Associate Professor, Department of Family Medicine, The North-Western State Medical University named after I.I. Mechnikov.

45 Prosvescheniya av., St Petersburg, 194275.

Yu. V. Kotovskaya
Russian Clinical and Research Center of Gerontology, Pirogov Russian National Research Medical University
Russian Federation

Yulia V. Kotovskaya - MD, PhD, DSc, Professor, Deputy Director on Research, Russian Clinical and Research Center of Gerontology, Pirogov Russian National Research Medical University.

Moscow.

E. V. Frolova
The North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Elena V. Frolova - MD, PhD, DSc, Professor, Department of Family Medicine, The North-Western State Medical University named after I.I. Mechnikov.

St Petersburg.

Т. A. Bogdanova
The North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Tatyana A. Bogdanova - MD, Assistant, Department of Family Medicine, The North-Western State Medical University named after I.I. Mechnikov.

St Petersburg.

O. Yu. Kutznetsova
The North-Western State Medical University named after I.I. Mechnikov
Russian Federation

Olga Yu. Kutznetsova - MD, PhD, DSc, Professor, Head, Department of Family Medicine, The North-Western State Medical University named after I.I. Mechnikov.

St Petersburg.