Chen, Chaoyang
Yang, Ting
Li, Xinran
Ma, Lingyun
Liu, Yaou
Zhou, Ying
Ren, Hanyun
Cui, Yimin http://orcid.org/0000-0002-4186-1005
Article History
First Online: 30 April 2019
Compliance with Ethical Standards
:
: No source of funding.
: All authors declare no conflict of interest.
: All procedures in this study were in accordance with the 1964 Helsinki declaration (and its amendments), and the details of the Ethics Committee or institutional review board which approved the study.
: Informed consent was obtained from all patients or care givers.