1 Department of Colorectal Surgery, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China 2 Department ...

1 Department of Epidemiology, College of Preventive Medicine, Third Military Medical University, Chongqing, China 2 Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, ...