Huashan Hospital, Fudan University, Shanghai, Shanghai, China
Chengdu Xinhua Hospital, Chengdu, Sichuan, China
The Sixth Affiliated Hospital, Sun Yat-sen University Guangdong Gastrointestinal Hospital, Guangzhou, Guangdong, China
Linear Clinical Research, Perth, Western Australia, Australia
Peking University Third Hospital, Beijing, Beijing, China
Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
Qilu Hospital of Shandong University, Jinan, Shandong, China
Chengdu Xinhua Hospital affiliated to North Sichuan Medical College, Chengdu, Sichuan, China
Chengdu Xinhua Hospital affiliated to North Sichuan Medical College, Chengdu, Sichuan, China
Xiamen Ophthalmology Center Affiliated to Xiamen University, Xiamen, Fujian, China
Chengdu Xinhua Hospital, affiliated with Sichuan North Medical College, Chengdu,, Sichuan, China
The Sixth Affiliated Hospital, Sun Yat-sen University Guangdong Gastrointestinal Hospital, Guangzhou, Guangdong, China