Liu, Jihong
Li, Chunxiao
Zhang, Liyan
Liu, Kai
Jiang, Xianli
Wang, Xueli
Yang, Lan
Liang, Weihua
Liu, Kunping
Hu, Jianming
Li, Feng
Funding for this research was provided by:
National Early Detection and Treatment Project for Upper Digestive Tract in Rural Area in China
National Natural Science Foundation of China (81460363, 81760428, 81560399, 81773116)
Article History
Received: 21 December 2018
Accepted: 30 May 2019
First Online: 12 June 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of First Affiliated Hospital of Shihezi University Medical College (approval code: 2014–074-01) and the procedures involving human subjects were in accordance with the Declaration of Helsinki and informed consent was obtained from all participants included in the study, in agreement with institutional guidelines.
: Informed consent for publication was obtained from all participants.
: The authors declare that they have no competing interests.