1. Department of Nephrology, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
2. Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
3. Clinical Research Center, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
4. Department of Immunology, Fourth Military Medical University, Xi'an 710031, China.