Funding for this research was provided by:
tThe key subject of social development of Jiangsu province. (No: SBE2016750057)
Received: 12 August 2020
Accepted: 23 November 2020
First Online: 9 December 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was approved by the applicable institutional review board of Nanjing Medical University Third Affiliated Hospital. All patients signed informed consent.
: Informed consent was obtained from all individual participants included in the study.