1. Cancer Research Center, University of Kansas Medical Center, Kansas City, KS 66160, USA
2. The Viral Oncology Center, Department of Pathology & Laboratory Medicine, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66160, USA
3. Department of Biochemistry of Sun Yat-sen University, Guangzhou 510089, PR China
4. University of Southern California, Los Angeles, CA 90089, USA
5. Division of Virology, Department of Infection and Immunity, Jichi Medical University School of Medicine, Tochigi-Ken 329-0498, Japan
6. Institut national de santé publique du Québec, Laboratoire de santé publique du Québec, Sainte-Anne-de-Bellevue, QC, Canada