1. College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
2. Digestive internal medicine department I, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
3. Tai’an Disabled Soldiers’ Hospital of Shandong Province, Tai’an, Shandong, China
4. First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
5. Postdoctoral Research Mobile Station, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China