1. Chawnshang Chang Liver Cancer Center, Department of General Surgery, Sir Run-Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
2. George Whipple Laboratory for Cancer Research, Departments of Pathology and Urology and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
3. Sex Hormone Research Center, China Medical University/Hospital, Taichung 404, Taiwan