Department of Clinical Nutrition Peking Union Medical College Hospital Peking Union Medical College & Chinese Academy of Medical Sciences Beijing 100730 China;
Department of Nephrology Peking Union Medical College Hospital Peking Union Medical College & Chinese Academy of Medical Sciences Beijing 100730 China;
Department of Nephrology Shanxi Medical College Affiliated First Hospital Taiyuan Shanxi 030001 China;
Department of Nephrology Shijiazhuang Third Hospital Shijiazhuang Hebei 050011 China;
Department of Nephrology Shanxi Medical College Affiliated Second Hospital Taiyuan Shanxi 030001 China;
School of Medicine Stanford University Stanford CA 94305 USA;
Department of Cardiology Ruijin Hospital Shanghai Jiao Tong University School of Medicine Shanghai 200025 China;
Department of Nephrology Qiqihar Medical College Affiliated Third Hospital Qiqihar Heilongjiang 161000 China;
Department of Statistics Institute of Basic Medical Sciences Peking Union Medical College & Chinese Academy of Medical Sciences Beijing 100730 China;