Department of Gastroenterology, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510080, China
The Second School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China
Shantou University Medical College, Shantou 515000, Guangdong, China
School of Medicine, South China University of Technology, Guangzhou 510006, China
Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
David Geffen School of Medicine, University of California Los Angeles, Los Angeles 90024, California, USA
Sepulveda Ambulatory Care Center, Veterans Affairs Greater Los Angeles Healthcare System, North Hills 91343, California, USA
Department of Biostatistics, School of Public Health, Southern Medical University, Guangzhou, China