1. The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
2. Department of Spleen and Stomach, The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
3. Department of Spleen and Stomach, The Lu’an Hospital of Traditional Chinese Medicine, Lu’an, China
4. Department of Hepatobiliary, Spleen and Stomach, The Jieshou Hospital of Traditional Chinese Medicine, Jieshou, China
5. Department of Spleen and Stomach, The Chuzhou Hospital of Integrated Traditional Chinese and Western Medicine, Chuzhou, China
6. Department of Spleen and Stomach, The Ningguo Hospital of Traditional Chinese Medicine, Ningguo, China
7. Department of Spleen and Stomach, The Taihu County Hospital of Traditional Chinese Medicine, Anqing, China.