1. Institute of Problems of Material Science, NAS of Ukraine, Krzhyzhanovsky str. 3, 03680 Kyiv, Ukraine
2. Lawrence Livermore National Laboratory, L-352, P.O. Box 808, Livermore, California 94551, USA
3. Department of Chemistry and Biochemistry, Interdisciplinary Center for Nanotoxicity, Jackson State University, Jackson, Mississippi 39217, USA
4. Badger Technical Services, LLC, Vicksburg, Mississippi 39180, USA