1. Department of Family Medicine Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul South Korea
2. Division of Gastroenterology and Hepatology Department of Internal Medicine Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul South Korea
3. Center for Cohort Studies Total Healthcare Center Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul South Korea
4. Department of Occupational and Environmental Medicine Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul South Korea
5. Department of Clinical Research Design & Evaluation SAIHST Sungkyunkwan University Seoul South Korea
6. Department of Laboratory Medicine Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul South Korea
7. Usher Institute University of Edinburgh Edinburgh UK
8. Nutrition and Metabolism Faculty of Medicine University of Southampton Southampton UK
9. National Institute for Health and Care Research Southampton Biomedical Research Centre University Hospital Southampton Southampton UK