About the Authors

Li-Na Zhao

Affiliation Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China

Jie-Yao Li

Affiliation Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China

Tao Yu

yutao2014@126.com

Affiliation Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China

Guang-Cheng Chen

Affiliation Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China

Yu-Hong Yuan

Affiliation Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China

Qi-Kui Chen

Affiliation Department of Gastroenterology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TY QKC. Performed the experiments: LNZ JYL GCC. Analyzed the data: LNZ JYL GCC. Contributed reagents/materials/analysis tools: LNZ GCC YHY. Wrote the paper: LNZ JYL. Independent literature searching and data extraction: LNZ TY.