**Author details**

Mikhail Pykov1 \*, Natalia Kuzmina2 and Nikolay Rostovtsev3

1 Division of Pediatric Radiology, Russian Medical Academy of Postgraduate Education, Moscow, Russia

2 Department of Radiation Diagnostics, Chelyabinsk Regional Children Clinical Hospital, Chelyabinsk, Russia

3 Department of Pediatric Surgery, Federal State Budgetary Institution of Higher Education "South Ural State Medical University", Chelyabinsk, Russia

\*Address all correspondence to: pykov@yandex.ru

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