1. Institute of Public Health and Clinical Nutrition,
University of Eastern Finland (UEF), Kuopio, Finland
2. Federal State Institution Saint Petersburg Pasteur Research Institute of Epidemiology and Microbiology,
Saint-Petersburg, Russian Federation
3. S.M. Kirov Military Medical Academy,
Saint-Petersburg, Russian Federation
4. Saint-Petersburg State Public Health Institution “City Clinical
Hospital” No. 20, Saint-Petersburg, Russian Federation