1. Department of Chronic Disease Epidemiology, Yale School of Public Health Yale University New Haven Connecticut USA
2. Department of Environmental Health Sciences, Yale School of Public Health Yale University New Haven Connecticut USA
3. Department of Colorectal Surgery Zhejiang Cancer Hospital, Hangzhou Institute of Medicine, Chinese Academy of Sciences Hangzhou Zhejiang China
4. Bioinformatics Support Program, Yale School of Medicine Yale University New Haven Connecticut USA
5. Division of Gastroenterology, Department of Medicine Duke University Durham North Carolina USA
6. Department of Pharmacology and Cancer Biology Duke University Durham North Carolina USA
7. Section of Surgical Oncology, Department of Surgery, Yale School of Medicine, Yale Cancer Center Yale University New Haven Connecticut USA