Guangzhou University of Chinese Medicine - Department of Spleen-Stomach and Liver Diseases, Beijing University of Traditional Chinese Medicine - Beijing Institute of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - School of Basic Medical Science, Sun Yat-sen University (SYSU) - Molecular Diagnosis and Gene Testing Center, Zhongshan Traditional Chinese Medicine Hospital - Department of Spleen-Stomach, Qingyuan Traditional Chinese Medicine Hospital - Department of the Spleen and Stomach, Shenzhen Traditional Chinese Medicine Hospital - Department of Spleen and Stomach Disease, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangdong Pharmaceutical University - Department of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine - Department of the Second Surgery, Shenzhen Traditional Chinese Medicine Hospital - Department of Spleen and Stomach Disease, Jun'an Hospital - Department of the Second Internal Medicine, Jiangmen Wuyi Hospital of Traditional Chinese Medicine - Department of Spleen-Stomach, Guangzhou University of Chinese Medicine - Department of Gastroenterology, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, China Academy of Chinese Medical Sciences - Department of Gastroenterology, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center, Guangzhou University of Chinese Medicine - Lingnan Medical Research Center and Guangzhou University of Chinese Medicine - Lingnan Medical Research Center