1. Eötvös Loránd Research Network, Research Centre for Natural Sciences, Institute of Materials and Environmental Chemistry, Magyar tudósok körútja 2., 1519 Budapest, P.O. Box 286, Hungary
2. Research Centre for Biochemical, Environmental and Chemical Engineering, Department of MOL Hydrocarbon and Coal Processing, University of Pannonia, Egyetem u. 10, H-8210 Veszprém, Hungary
3. Department of Applied Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
4. Yale Center for Green Chemistry and Engineering, Yale University, New Haven, Connecticut 06511, USA