1. Department of Urinary Surgery, Graduate School of Peking Union Medical College, Beijing Hospital, National Center of Gerontology, Beijing, China
2. Department of Urinary Surgery, Xinle City Hospital, Shijiazhuang, Hebei Province, China
3. Department of Oncology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
4. Department of Urinary Surgery, The Fourth Hospital of Hebei Medical University, Shijiazhuang, P.R. China
5. Department of Clinical Pharmacology Research, Hebei Medical University, Shijiazhuang, P.R. China