1. Department of Nephrology, West China Hospital, School of Clinic Medicine, Sichuan University, Chengdu, PR China;
2. Department of Rheumatology and Immunology, West China Hospital, School of Clinic Medicine, Sichuan University, Chengdu, PR China;
3. Department of Internal Medicine, West China Hospital, School of Clinic Medicine, Sichuan University, Chengdu, PR China;
4. Department of Cardiovascular Diseases, West China Hospital, School of Clinic Medicine, Sichuan University, Chengdu, PR China