Ai-Juan Xue, Shi-Jian Miao, Hua Sun, Xiao-Xia Qiu, Sheng-Nan Wang, Lin Wang, Zi-Qing Ye, Cui-Fang Zheng, Zhi-Heng Huang, Yu-Huan Wang, Ying Huang, Department of Gastroenterology, Children’s Hospital of Fudan University, Shanghai 201102, China
Author contributions: Xue AJ, Huang Y, Miao SJ, Sun H, Qiu XX, Wang SN, Wang L, Ye ZQ, Zheng CF, Wang YH, and Huang ZH contributed to study conception and design; Xue AJ, Miao SJ, Sun H, Qiu XX, and Wang SN contributed to data acquisition and interpretation; Xue AJ contributed to the first draft of this article; Xue AJ, Miao SJ, Sun H, Qiu XX, Wang SN, Wang L, Ye ZQ, Zheng CF, Huang ZH, Wang YH, and Huang Y contributed to editing, reviewing, and final approval of the article.
Supported by the Jiujiu Charitable Trust-PIBD China.
Institutional review board statement: This study was approved by the Ethics Board of the Children's Hospital of Fudan University (2017-229, Shanghai).
Informed consent statement: Oral or written informed consent was obtained from the parents or guardians of the children prior to sample collection.
Conflict-of-interest statement: The authors have no conflicts of interest to declare.
Data sharing statement: The dataset is available from the corresponding author at email@example.com.
STROBE statement: The authors have read the STROBE Statement, and the manuscript was prepared and revised according to the STROBE Statement.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Ying Huang, MD, PhD, Doctor, Department of Gastroenterology, Children's Hospital of Fudan University, 399 Wanyuan Road, Shanghai 201102, China. firstname.lastname@example.org
Received: January 6, 2020
Peer-review started: January 6, 2020
First decision: January 19, 2020
Revised: March 30, 2020
Accepted: May 28, 2020
Article in press: May 28, 2020
Published online: June 14, 2020