1. Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298, USA
2. University of Pittsburgh Cancer Institute Melanoma and Skin Cancer Program, Hillman Cancer Research Pavilion Laboratory L1.32c, Pittsburgh, PA 15232, USA
3. Puma Biotechnology Inc., Los Angeles, CA 90024, USA
4. Department of Medicine, Virginia Commonwealth University, Richmond, VA 23298, USA