1. Departments of Urology, Surgery, Pathology and Proteomics Laboratory, Veterans Affairs Boston Healthcare System and Boston University School of Medicine, Boston, Massachusetts
2. Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi’an, People's Republic of China
3. Cancer Research Center, Shandong University School of Medicine, Jinan, People's Republic of China
4. Department of Medical Oncology, Xi’an Tangdu Hospital, Xi’an, People's Republic of China