1. Nizhny Novgorod Regional Clinical Oncology Center
2. Moscow Research Oncological Institute named after P.A. Herzen - branch of the Federal State Budgetary Institution “National Medical Research Center of Radiology” of the Ministry of Health of the Russian Federation
3. FGAOU VO First MGMU named after I.M. Sechenov of the Ministry of Health of the Russian Federation (Sechenov University)