Funding for this research was provided by:
Beijing Municipal Administration of Hospitals’ Mission Plan (SML20150501)
“13th Five-Year Plan” National Science and Technology supporting plan (2015BAI09B04)
Foundation of Beijing Tiantan Hospital (2018-YQN-6)
Article History
Received: 13 September 2019
Revised: 26 November 2019
Accepted: 3 January 2020
First Online: 14 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Beijing Tiantan Hospital institutional review board (IRB).
: Informed consent was obtained from each patient involved in our research.