1. The Ekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers, Ekaterinburg, Russia;
2. The Central Research Laboratory, Ural Medical University, Ekaterinburg, Russia;
3. The Institute of Natural Sciences, Ural Federal University, Ekaterinburg, Russia;
4. The Institute of Industrial Ecology, Russian Academy of Sciences – Urals Branch, Ekaterinburg, Russia