M. E. Zharova
N. I. Pirogov Russian National Research Medical University (a Federal Government-funded Educational Institution of Higher Education), Russian Ministry of Health; Research Institute for Healthcare Organization and Medical Management (a Government-funded Institution), Moscow City Department of Health
Russian Federation

Maria E. Zharova, MD, MSc 

1 Ostrovityanov St., Moscow, 117997

30 Bolshaya Tatarskaya St., Moscow, 115184

Yu. V. Grigoreva
N. I. Pirogov Russian National Research Medical University (a Federal Government-funded Educational Institution of Higher Education), Russian Ministry of Health; Federal State Budgetary Institution “Central Clinical Hospital”, of the Russian Federation Presidential Administration
Russian Federation

Yuliya V. Grigoreva, MD, PhD 

1 Ostrovityanov St., Moscow, 117997

Moscow, 15 Marshal Tymoshenko St. 121359 

E. L. Nikonov
N. I. Pirogov Russian National Research Medical University (a Federal Government-funded Educational Institution of Higher Education), Russian Ministry of Health
Russian Federation

Evgeni L. Nikonov, MD, PhD

1 Ostrovityanov St., Moscow, 117997

I. O. Ivanikov
N. I. Pirogov Russian National Research Medical University (a Federal Government-funded Educational Institution of Higher Education), Russian Ministry of Health; Federal State Budgetary Institution “Central Clinical Hospital”, of the Russian Federation Presidential Administration
Russian Federation

Igor O. Ivanikov, MD, PhD

1 Ostrovityanov St., Moscow, 117997

Moscow, 15 Marshal Tymoshenko St. 121359 

O. S. Grebneva
Federal State Budgetary Institution “Central Clinical Hospital”, of the Russian Federation Presidential Administration
Russian Federation

Olga S. Grebneva, MD, PhD

Moscow, 15 Marshal Tymoshenko St. 121359