M. I. Pykov
Russian Medical Academy of Continuous Professional Education
Russian Federation

Mikhail I. Pykov - Dr. Sci. (Med.), Professor, Head of the Department of Radiation Diagnostics of Children, Russian Medical Academy of Continuous Professional Education.

2/1, Bldg. 1, Barrikadnaya St., Moscow, 125993.

N. E. Kuzmina
Chelyabinsk Regional Children Clinical Hospital
Russian Federation

Natalya E. Kuzmina - Cand. Sci. (Med.), Doctor of Radiation Diagnostics, Chelyabinsk Regional Children Clinical Hospital.

42а, Blucher St., Chelyabinsk, 454087.

N. M. Rostovtsev
Chelyabinsk Regional Children Clinical Hospital; South Ural State Medical University
Russian Federation

Nikolay M. Rostovtsev - Cand. Sci. (Med.), Associate Professor of the Department of General and Pediatric Surgery, South Ural State Medical University; Chief Pediatric Surgeon of the Chelyabinsk Region, Deputy Chief Physician for Surgery, Chelyabinsk Regional Children Clinical Hospital.

64g, Vorovskiy St., Chelyabinsk, 454092; 42а, Blucher St., Chelyabinsk, 454087.