1 Department of Gastroenterology, Shenzhen Traditional Chinese Medicine Hospital; The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine.
2 Department of Gastroenterology, Shenzhen Bao'an Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine.
3 Department of Geriatrics, Shenzhen Bao'an Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine.
4 Department of Pathology.
5 Department of Gastroenterology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China.