About the Authors

Chunxiao Cai

Affiliations Department of Gastroenterology, Peking University People's Hospital, Beijing, People's Republic of China, Department of Oral Pathology, Howard University, Washington, D.C., United States of America

Hassan Ashktorab

Affiliations Department of Medicine, Howard University, Washington, D.C., United States of America, Cancer Center, Howard University, Washington, D.C., United States of America

Xiaowu Pang

Affiliation Department of Gastroenterology, Peking University People's Hospital, Beijing, People's Republic of China

Yuan Zhao

Affiliation Department of Oral Pathology, Howard University, Washington, D.C., United States of America

Wei Sha

Affiliation Department of Oral Pathology, Howard University, Washington, D.C., United States of America

Yulan Liu

xgu@howard.edu (XG); liuyulan@pkuph.edu.cn (YL)

Affiliation Department of Gastroenterology, Peking University People's Hospital, Beijing, People's Republic of China

Xinbin Gu

xgu@howard.edu (XG); liuyulan@pkuph.edu.cn (YL)

Affiliations Department of Oral Pathology, Howard University, Washington, D.C., United States of America, Cancer Center, Howard University, Washington, D.C., United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CC HA XG XP YL. Performed the experiments: CC YZ WS. Analyzed the data: CC. Contributed reagents/materials/analysis tools: XG HA YL. Wrote the paper: CC. Reviewed and revised manuscript: XG HA YL.