1. Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Biomedical Materials, College of Chemistry and Materials Science Nanjing Normal University Nanjing China
2. Department of Geriatric Gastroenterology Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan Shandong China
3. Department of Gastroenterology Dongying People's Hospital Dongying Shandong China
4. Department of Chemistry University of British Columbia Vancouver BC Canada