Maoqing Jiang1, Ping Chen2, Yu Chu3. 1. Department of Nuclear medicine, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, 315010, China. jmq19860916@163.com. 2. Department of Nephrology, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, 315010, China. 3. Department of Nuclear medicine, Hwa Mei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang, 315010, China.