Funding for this research was provided by:
National Natural Science Foundation of China (81773512)
Beijing Municipal Administration of Hospitals Incubating Program (PX2020021)
Beijing Excellent Talents Training Program (2018000021469G234)
Young Elite Scientists Sponsorship Program by CAST (2018QNRC001)
National Key R&D Program of China (2017YFC1310902)
Received: 13 September 2020
Accepted: 11 February 2021
First Online: 4 March 2021
Ethics approval and consent to participate
: The study was performed according to the guidelines of the Helsinki Declaration and was approved by the Ethics Committee of Kailuan General Hospital (approval number 2006-05) and Beijing Tiantan Hospital (approval number 2010-014-01). All participants provided informed written consent.
: Not applicable.
: The authors declare no competing interests.