Funding for this research was provided by:
National Natural Science Foundation of China (no. 81600643, no. 91746205)
Tianjin Health Industry Key Research Projects (no. 15KG101)
Tianjin Science and Technology Support Project (no. 17JCYBJC27000)
Key Projects of Tianjin Natural Science Foundation (no. 18JCZDJC32900)
Science and Technology Project of Tianjin Binhai New District Health and Family Planning Commission (no.2017BWKY031)
Received: 10 June 2021
Accepted: 22 October 2021
First Online: 13 November 2021
: The research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. Participants provided written informed consent and the study protocol was approved by the Institutional Review Board of Tianjin Medical University Metabolic Diseases Hospital.
: Not applicable.
: The authors declare that they have no competing interests.