Funding for this research was provided by:
National Natural Science Foundation of China (81872650)
Nanjing Medical Science and Technique Development Foundation (QRX17162)
Nanjing Science and technology development project (201911040)
Nanjing medical science and technology development fund (ZKX19044)
the Priority Academic Program Development of Jiangsu Higher Education Institutions
Received: 19 November 2020
Accepted: 23 April 2021
First Online: 27 May 2021
: Patient sample and data were collected under approval number 009 of the Medicine Ethics Committee at Women’s Hospital of Nanjing Medical University. Patients provided written informed consent upon enrollment.
: Not applicable.
: The authors declare that they have no competing interests.