1. Volga District Medical Center, Federal Biomedical Agency of Russia, Nizhny Novgorod 2-City Clinical Hospital Thirty-Nine, Nizhny Novgorod
2. Volga District Medical Center, Federal Biomedical Agency of Russia, Nizhny Novgorod 2-City Clinical Hospital Thirty-Nine, Nizhny Novgorod 3-Central Primary Healthcare Unit Fifty, Federal Biomedical Agency of Russia, Sarov 4-N.I. Lobachesky Nizhny Novgorod State Research University
3. Clinical hospital of Russian Railways-Medicine, Vladivostok
4. Volga District Medical Center, Federal Biomedical Agency of Russia, Nizhny Novgorod
5. City Clinical Hospital Thirty-Nine, Nizhny Novgorod
6. Ya.L. Tsiv’yan Novosibirsk Research Institute of Traumatology and Orthopedics, Ministry of Health of Russia
7. N.I. Lobachesky Nizhny Novgorod State Research University