Olga Yu. Korotenko
Research Institute for Complex Problems of Hygiene and Occupational Diseases
Russian Federation

MD, PhD, head of the Dept. of functional and ultrasound diagnostics of the Research Institute of Complex Problems of Hygiene and Occupational Diseases, 654041, Novokuznetsk, Russian Federation

e-mail: olgakorotenko@yandex.ru

Egor S. Filimonov
Research Institute for Complex Problems of Hygiene and Occupational Diseases
Russian Federation

MD, PhD, senior researcher, Lab of protecting the health of the working population of the Research Institute of Complex Problems of Hygiene and Occupational Diseases, Novokuznetsk, 654041, Russian Federation

e-mail: 171fes@gmail.com

Nikolay I. Panev
Research Institute for Complex Problems of Hygiene and Occupational Diseases
Russian Federation

MD, PhD, DSci, Director of the scientific and clinical department of occupational medicine, Research Institute of Complex Problems of Hygiene and Occupational Diseases, Novokuznetsk, 654041, Russian Federation

e-mail: panevni@gmail.com