Funding for this research was provided by:
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (XMLX201607)
Beijing Municipal Science & Technology Commission (D171100003217003)
Text and Data Mining valid from 2019-07-11
Received: 4 December 2018
Accepted: 15 June 2019
First Online: 11 July 2019
Ethics approval and consent to participate
: The study was approved by the medical ethical review committee of Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University. Patient informed consent will be obtained.
: Not applicable.
: The authors declare that they have no competing interests.