Xu, Peng Peng
Li, Jian Hua
Zhou, Fan
Jiang, Meng Di
Zhou, Chang Sheng
Lu, Meng Jie
Tang, Chun Xiang
Zhang, Xiao Lei
Yang, Liu
Zhang, Yuan Xiu
Wang, Yi Ning
Zhang, Jia Yin
Yu, Meng Meng
Hou, Yang
Zheng, Min Wen
Zhang, Bo
Zhang, Dai Min
Yi, Yan
Xu, Lei
Hu, Xiu Hua
Liu, Hui
Lu, Guang Ming
Ni, Qian Qian
Zhang, Long Jiang http://orcid.org/0000-0002-6664-7224
Article History
Received: 16 June 2019
Revised: 14 October 2019
Accepted: 31 October 2019
First Online: 31 January 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Long Jiang Zhang.
: The authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: Meng Jie Lu kindly provided statistical advice for this manuscript.One of the authors has significant statistical expertise.No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • Retrospective• Cross-sectional study• Multicenter study