Funding for this research was provided by:
National Natural Science Foundation of China (81870335)
Huzhou Municipal Science and Technology Bureau (Z141100006014057)
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201605)
the project of Beijing Institute of Heart Lung and Blood Vessel Diseases (2018S14)
Text and Data Mining valid from 2019-08-13
Received: 8 March 2019
Revised: 2 August 2019
Accepted: 8 August 2019
First Online: 13 August 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: This study was approved by the local institutional review board of Beijing Anzhen Hospital (Capital Medical University, Beijing, China). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional 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 the study.