Shi, Huifeng
Li, Xuejun
Fang, Hai
Zhang, Jingxu
Wang, Xiaoli
Funding for this research was provided by:
Beijing Xicheng District Health Bureau’s Youth Science and Technology Talent Training Fund (xwkx2014-14)
Article History
First Online: 18 May 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study was reviewed and approved by the Ethics Committee of Zhanlanlu Hospital. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all caregivers included in the study.