Zhou, Xing
Wang, Haiping http://orcid.org/0000-0002-5515-9452
Article History
Received: 11 May 2019
Accepted: 9 July 2019
First Online: 24 July 2019
Compliance with Ethical Standards
:
: No potential conflict of interest was reported by the authors.
: 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.
: For this type of study, informed consent is not required.