1. Laboratory of Environmental Hygiene and Toxicology, Scientific-Research Center of Yerevan State Medical University named after M. Heratsi, Yerevan, Republic of Armenia
2. Department of Epidemiology & Population Health, School of Public Health & Information Sciences, University of Louisville, Louisville, Kentucky, USA
3. Department of Public Health and Healthcare Organization, Yerevan State Medical University named after M. Heratsi, Yerevan, Republic of Armenia