1. Department of Gastroenterology, Changhai Hospital, Second Military Medical University, Shanghai, China.
2. Departments of Hematology, The First Affiliated Hospital of University of South China, University of South China, Hengyang, Hunan, China.
3. Division of Digestive and Liver Diseases, Cedars-Sinai Medical Center, Los Angeles, California.
4. Department of Gastroenterology, The 2nd Clinical Medicine College (Shenzhen People's Hospital) of Jinan University, Shenzhen, China.
5. Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou, China.