Funding for this research was provided by:
Beijing Municipal Science and Technology Commission (Z201100005420012)
Capital Clinical Characteristic Application (Z171100001017052)
National Key Scientific Instrument and Equipment Development Projects of China (2018ZX10302207)
Beijing Municipal Administration of Hospital Clinical Medicine Development of Special Funding Support (ZYLX201802)
Received: 3 June 2020
Accepted: 8 June 2020
First Online: 23 June 2020
Ethics approval and consent to participate
: This study was approved by the Committee of Ethics at Beijing Ditan Hospital, Capital Medical University, Beijing, China, and each patient gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.