1. Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
2. Department of Gastroenterology, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
3. Department of Urology, The First Affiliated Hospital of Guiyang College of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
4. Guiyang College of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
5. Liver Research Center, Brown University, Providence, USA