Affiliation: | 1 Eppley Institute for Research in Cancer, University of Nebraska Medical Center, Omaha, NE 68198-6805, USA 2 Saint Petersburg Branch of Vavilov Institute of General Genetics, Universitetskaya emb. 7/9, St. Petersburg 199034, Russia 3 Department of Plant Physiology and Biochemistry, St. Petersburg State University, Universitetskaya emb. 7/9, St. Petersburg 199034, Russia 4 Drake University, Des Moines, IA 50311, USA 5 Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE 68198-6025, USA |