1. Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
2. Department of Gastroenterology, Tianjin Cancer Hospital, Tianjin 300060, P.R. China
3. Department of Hepatopathy and Hepatic Oncology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
4. College of Acu‑moxibustion and Massage, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
5. Department of Traditional Chinese Medicine, Chentangzhuang Street Health Service Center, Tianjin 300222, P.R. China