1. University of Pittsburgh Medical Center (UPMC) Hillman Cancer Center Pittsburgh Pennsylvania USA
2. Healthy Longevity Translational Research Programme, Yong Loo Lin School of Medicine National University of Singapore Singapore
3. Department of Epidemiology, Graduate School of Public Health University of Pittsburgh Pittsburgh Pennsylvania USA
4. Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine University of Pittsburgh Medical Center Pittsburgh Pennsylvania USA
5. Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health and State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
6. Singapore Institute for Clinical Sciences, Agency for Science Technology and Research (A*STAR) Singapore