1. Department of Pathology, Hebei Key Laboratory of Nephrology, Hebei Medical University, Shijiazhuang, China.
2. Department of Rehabilitation, Hebei General Hospital, Shijiazhuang, China.
3. Department of Nephrology, the 2nd Hospital of Hebei Medical University, Shijiazhuang, China.
4. Department of Pathology, Shijiazhuang People's Medical College, Shijiazhuang, China.