Lin, Yan
Wang, Changjun
Huang, Xin
Zhou, Xingtong
Zhou, Yidong
Mao, Feng
Guan, Jinghong
Song, Yu
Zhong, Ying
Xu, Ying
Sun, Qiang http://orcid.org/0000-0002-2617-8777
Article History
Received: 9 January 2019
Accepted: 16 March 2019
First Online: 1 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All patients provided written informed consent forms before participation in the study.
: The study protocol was approved by the Institutional Review Board at Peking Union Medical College in accordance with the latest version of the Declaration of Helsinki. This trial was registered with ClinicalTrials.gov (#NCT02838225).