Funding for this research was provided by:
National Key R&D Program of China (2018YFB1307600)
Received: 7 May 2020
Accepted: 4 August 2020
First Online: 13 August 2020
Ethics approval and consent to participate
: The experimental protocol was established, according to the ethical guidelines of the Helsinki Declaration and was approved by the Human Ethics Committee of Peking University International Hospital. Written informed consent was obtained from each participant.
: Written informed consent for publication was obtained from each participant.
: Tan Lei, Wen Bingtao, Guo Zhaoqing, Chen Zhongqiang declare that they have no conflict of interest.