Funding for this research was provided by:
Six Talent Peaks Project in Jiangsu Province (No. WSN-059)
Jiangsu Provincial Commission of Health and Family Planning (No. H201626)
Key Talents of Medical Science in Jiangsu Province, China (No. QNRC2016682)
Text and Data Mining valid from 2019-09-04
Received: 15 June 2019
Accepted: 23 August 2019
First Online: 4 September 2019
Ethics approval and consent to participate
: Ethics approval and consent to participate was given by all patients in writing (ethics approval was given by the Ethics Committee of Beijing Friendship Hospital, Capital Medical University, China, 2018-P2–130-01).
: The authors declare that they have no competing interests.