1. Department of Gastroenterology, The First People’s Hospital of Xuzhou, Xuzhou Municipal Hospital Affiliated to Xuzhou Medical University , Xuzhou 221200 , China
2. Laboratory of Radiation Medicine , West China School of Basic Medical Sciences and Forensic Medicine, , Chengdu 610041 , China
3. Sichuan University , West China School of Basic Medical Sciences and Forensic Medicine, , Chengdu 610041 , China
4. Department of Nuclear Medicine, The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital , Chengdu 610051, China
5. NHC Key Laboratory of Nuclear Technology Medical Transformation (Mianyang Central Hospital) , Mianyang 621099 , China