Hu, Xiaojing
Liu, Si
Wang, Bo
Xiong, Hui
Wang, Ping
Article History
Received: 6 July 2020
Accepted: 5 September 2020
First Online: 18 September 2020
Compliance with ethical standards
:
: All authors have no potential conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the Ethics Committee of Peking University First Hospital research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study.
Free to read: This content has been made available to all.