1. Department of Nursing, Affiliated Hospital of Nantong University, Nantong, China
2. Research Center of Gerontology and Longevity, Affiliated Hospital of Nantong University, Nantong, China
3. School of Medicine, Nantong University, Nantong, China
4. Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
5. Department of Gastroenterology, Affiliated Hospital of Nantong University, Nantong, China