Qingdao University (CN), Fujian Medical University (CN), Shandong University (CN), Shanghai Jiao Tong University (CN), Capital Medical University (CN), Dalian Medical University (CN), Jilin University (CN), Peking University (CN), Wenzhou Medical University (CN), Renji Hospital (CN), Sir Run Run Shaw Hospital (CN), Yuhuangding Hospital (CN), National Clinical Research Center for Digestive Diseases (CN), Zhangzhou Municipal Hospital of Fujian Province (CN), Zhuhai People's Hospital (CN), Ministry of Education (KR), Shandong Provincial Hospital (CN), Zhejiang Hospital (CN), Zhongshan Hospital of Xiamen University (CN), First Hospital of Jilin University (CN), Baotou Central Hospital (CN), General Hospital of Shenyang Military Region (CN), First Affiliated Hospital of Dalian Medical University (CN), Taizhou First People's Hospital (CN), Second Affiliated Hospital of Zhejiang University (CN), Shanxi Cardiovascular Hospital (CN), First Affiliated Hospital Zhejiang University (CN), Air Force Medical University (CN)