1. Department of Gastroenterology, The Third Xiangya Hospital of Central South University, Changsha, China
2. Centre for Global Health, Zhejiang University, Hangzhou, China
3. Department of Big Data in Health Science, Center of Clinical Big Data and Analytics of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
4. Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
5. Centre for Global Health, Usher Institute, University of Edinburgh, Edinburgh, UK