1. Simonyi Károly Faculty of Engineering, University of Sopron, Sopron, Hungary
2. The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education; Department of Nutrition and Food Hygiene, School of Public Health, Guizhou Medical University, Guizhou, PR China
3. Paper Research Institute, University of Sopron, Sopron, Hungary
4. Institute of Environmental and Earth Sciences, Faculty of Forestry, University of Sopron, Sopron, Hungary