Xu, Yanwu
Article History
Received: 16 February 2020
Accepted: 7 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in our 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 included participants.
: All authors declare no competing financial interests.