1. Department of Urology Xindu District People's Hospital of Chengdu Chengdu China
2. Department of Nephrology The Sixth People's Hospital of Chengdu Chengdu China
3. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology Sichuan University Chengdu China