[1] Vagelos College of Physicians and Surgeons,Department of Obstetrics and Gynecology
[2] Columbia University,Department of Epidemiology, Mailman School of Public Health
[3] Columbia University,Department of Hepatobiliary and Pancreatic Surgery
[4] The First Affiliated Hospital of Zhengzhou University,Key Laboratory of Hepatobiliary and Pancreatic Surgery and Digestive Organ Transplantation of Henan Province
[5] The First Affiliated Hospital of Zhengzhou University,Department of Chemistry
[6] University of Missouri,Division of Preventive Medicine, School of Medicine
[7] University of Alabama at Birmingham,undefined