1. Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine , PA 15261, USA
2. UPMC Hillman Cancer Center , PA 15213, USA
3. College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University , Seoul 03760, South Korea
4. Molecular Genetics and Developmental Biology Graduate Program, University of Pittsburgh School of Medicine , PA 15261, USA
5. Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU) , 7491, Trondheim, Norway
6. Center for Biologic Imaging, University of Pittsburgh , PA 15261, USA