1. Yaroslavl State Medical University
2. North-Western State Medical University named after I.I. Mechnikov
3. Sverdlovsk Regional Clinical Hospital №1
4. North-Western State Medical University named after I.I. Mechnikov;
Clinical Rheumatology Hospital №25
5. Department of diseases of aging of The Pirogov Russian National Research Medical University
6. Yaroslavl Regional Emergency Care Hospital n.a. N.V. Solovyev