1 Department of Nuclear Medicine, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Zhengzhou, 450000, Henan, China.
2 Department of Nuclear Medicine, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe East Road, Zhengzhou, 450000, Henan, China. blhzjgy@163.com.