1 Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, No. 185, Juqian Street, Changzhou, Jiangsu Province, 213003, China.
3 Department of Nuclear Medicine, The Third Affiliated Hospital of Soochow University, No. 185, Juqian Street, Changzhou, Jiangsu Province, 213003, China. yuetao-w@163.com.