Funding for this research was provided by:
National Natural Science Foundation of China (No. 81772770)
the 63th batch of China's Postdoctoral Science Fund projects (No.195380)
Key Discipline Project of Shanghai Municipal Commission of Health and Family Planning (No.15GWZK0701)
Key Clinical Disciplines of Shanghai (No.2017ZZ02016)
National Key R&D Program of China (No.2016YFC1302900)
Received: 6 May 2019
Accepted: 15 July 2019
First Online: 7 August 2019
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki principles. It was approved by the Medical Research Ethics Committee of Renji Hospital, School of Medicine, Shanghai Jiao Tong University.
: Not applicable.
: The authors declare that they have no competing interests.