Portal Hypertension

• Zhujiang Hospital,Southern Medical University — Guangzhou, Guangdong, China
• the Fifth Affiliated Hospital of Zunyi Medical University — Zhuhai, Guangdong, China
• Union Hospital, Tongji Medical College, Huazhong University of Science and Technology — Wuhan, Hubei, China
• The Third Xiangya Hospital of Central South University — Changsha, Hunan, China

• The first hospital of Lanzhou university — Lanzhou, China

• Universidade Federal de Pernambuco — Recife, Brazil
• The First Hospital of Lanzhou University — Lanzhou, Gansu, China
• Xingtai People's Hospital — Xingtai, Hebei, China
• Shandong Provincial Hospital affiliated to Shandong University — Jinan, Shandong, China

• Centre of Gastroenterology, Dept. of medicine. Hvidovre University Hospital — Hvidovre, Denmark

• Mount Sinai Medical Center — New York, United States

• Wonju Severance Christian Hospital — Wŏnju, Gangwon-do, South Korea

• Hopital Beaujon — Clichy, France

• Carmel Medical Center — Haifa, Israel

• Mingkai Chen — Wuhan, Hubei, China

Not specified