Lei, Yu
Song, Benshen
Chen, Liang
Su, Jiabin
Zhang, Xin
Ni, Wei
Yu, Yuguo
Xu, Bin
Yu, Lianchun
Gu, Yuxiang http://orcid.org/0000-0002-4580-2205
Mao, Ying
Article History
First Online: 3 December 2018
Compliance with ethical standards
: This manuscript has been read and approved by all authors, who acknowledge due care in ensuring the integrity of the work. All authors have made substantial contributions to the design, collection, analysis and/or interpretation of data, and many have contributed to the writing and intellectual content of the article.
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were approved by the Institutional Ethics Committee of Huashan Hospital of Fudan University, and were conducted in accordance with the 1964 Helsinki declaration and its later amendments.
: All participants gave written informed consent after totally understanding the purposes of our study.