Study of the Effectiveness of ETIASA® (Sustained Release 5-Aminosalicylate) in Maintenance Treatment of Ulcerative Colitis (UC)

The Affiliated Beijing Chao-yang Hospital of Capital Medical University, Beijing

Peking University First Hospital, Beijing

The First Affiliated Hospital of the Fourth Military Medical University, Xi'an

The First Affiliated Hospital of Dalian Medical University, Dalian

China-Japan Union Hospital of Jilin University, Changchun

Nanjing General Hospital of Nanjing Military Command, Nanjing

Nanjing Drum Tower Hospital, Nanjing

Jiangsu Province Hospital of TCM, Nanjing

Suzhou Third People Hospital, Suzhou

The second affiliated hospital of Suzhou University, Suzhou

Anhui Provincial Hospital, Hefei

The Affiliated Hospital of Qingdao University, Qingdao

Qingdao Municipal Hospital, Qingdao

Tianjin People's Hospital, Tianjin

The Second Hospital Affiliated to Wenzhou Medical College, Wenzhou

The First Affiliated hospital of Nan Chang University, Nanchang

The Third Affiliated Hospital of The Third Military Medical University of Chinese PLA, Chongqing

Union Hospital Affiliated to Tongji Medical College, Wuhan

The People's Hospital of Wuhan University, Wuhan

The First Affiliated Hospital of Zhengzhou University, Zhengzhou

Henan Province People Hospital, Henan

Hebi People Hospital, Hebi

The PLA 150 Central Hospital, Luoyang

The First Affiliated Hospital of Sun Yatsen University, Guangzhou

Nanfang Hospital of Southern Medical University, Guangzhou

The Sixth Affiliated Hospital of Sun Yatsen University, Guangzhou