O. I. Bondarev
Novokuznetsk State Institute for Further Training of Physicians — Branch Campus of Russian Medical Academy of Continuous Professional Education; Research Institute for Complex Problems of Hygiene and Occupational Diseases
Russian Federation

 Oleg I. Bondarev, Head of Research laboratory of pathological anatomy, Head of Department of pathological anatomy and forensic medicine ; senior researcher of the laboratory of health protection of working population,   Cand. of Sci. (Med.) 

5, Stroiteley Ave., Novokuznetsk,  654005; 23, Kutuzova Str., Novokuznetsk,654041 

M. S. Bugaeva
Novokuznetsk State Institute for Further Training of Physicians — Branch Campus of Russian Medical Academy of Continuous Professional Education; Research Institute for Complex Problems of Hygiene and Occupational Diseases
Russian Federation

5, Stroiteley Ave., Novokuznetsk,  654005; 23, Kutuzova Str., Novokuznetsk,654041

N. N. Mikhailova
Research Institute for Complex Problems of Hygiene and Occupational Diseases
Russian Federation

23, Kutuzova Str., Novokuznetsk,  654041