1. Department of Molecular Biology, Semmelweis University, Tűzoltó u. 37-47, H-1094 Budapest, Hungary
2. Department of Organic Chemistry, Eötvös Loránd University (ELTE), Pázmány P. Sétány 1/A, H-1117 Budapest, Hungary
3. MS Metabolomics Research Group, Centre for Structural Study, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Magyar Tudósok Krt. 2, H-1117 Budapest, Hungary
4. Research Group of Analytical Chemistry, University of Pannonia, Egyetem utca 10, H-8200 Veszprém, Hungary