1. Division of Nephrology, Huashan Hospital and
2. Institute of Nephrology, Fudan University, Shanghai, China
3. Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
4. Department of Medicine/Renal Division, Peking University First Hospital, and Institute of Nephrology, Peking University, Beijing, China
5. Department of Medicine/Division of Nephrology, Vanderbilt University, Nashville, Tennessee, USA