1. National Food Chain Safety Office, Food and Feed Safety Directorate, Food Toxicological National Reference Laboratory, Mester utca 81, Budapest, Hungary
2. University of Liège, Chemistry Institute, Mass Spectrometry Laboratory, Organic & Biological Analytical Chemistry Group, allée du 6 aout, B6c, Liège, Belgium
3. Budapest University of Technology and Economics, Department of Inorganic and Analytical Chemistry, Szt. Gellért tér 4, Budapest, Hungary
4. Program for the Environment and Sustainability, Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, 212 Adriance Lab Road, 1266 TAMU, College Station, TX, USA