1. Key Laboratory, Department of Urology and Andrology, Affiliated Hospital of Qingdao University, Qingdao, China
2. Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
3. Department of Vascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
4. Department of Pathology, Affiliated Hospital of Qingdao University, Qingdao, China