1. Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana,
Illinois 61801, United States
2. Department of Pathology, University of Washington School of Medicine, Seattle,
Washington 98195, United States
3. SUNY Upstate Cancer Research Institute,
Department of Pharmacology, State University of New York, Syracuse, New York 13210, United States
4. School of Pharmaceutical Sciences, Jilin University, Changchun, China