1. 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
2. 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
3. N. I. Pirogov Russian National Research Medical University (a Federal Government-funded Educational Institution of Higher Education), Russian Ministry of Health
4. Federal State Budgetary Institution “Central Clinical Hospital”, of the Russian Federation Presidential Administration