Zhao, M.
Yang, F.
Sang, C.
Yan, C.
Wang, Z.
Article History
Received: 28 December 2020
Accepted: 23 January 2021
First Online: 4 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Ethics Committee of Beijing Chaoyang Hospital, Capital Medical University, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All animals were handled in strict accordance with the “Guide for the Care and Use of Laboratory Animals” and the “Principles for the Utilization and Care of Vertebrate Animals”, which was approved by the Institutional Animal Care and Use Committee of Beijing Chaoyang Hospital, Capital Medical University.
: Written informed consent was obtained from all participants by their parents, and from patients, when appropriate.