Funding for this research was provided by:
Tianjin Municipal Health Bureau key research projects (16KG158)
Tianjin Municipal Health Bureau Key Projects of Integrated Traditional Chinese and Western Medicine (2019118)
Foundation of Tianjin Union Medical Center (2019JZPY01, 2017YJ024, 2018YJ010)
Received: 28 February 2020
Accepted: 2 June 2020
First Online: 8 June 2020
Ethics approval and consent to participate
: This article does not contain any studies with animals. Written informed consent was obtained from all individual participants included in the study according to the rules of the Institutional Review Committee of Tianjin Union Medical Center. All procedures performed in our study were in accordance with the ethical standards of the Institutional Review Committee of Tianjin Union Medical Center and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The manuscript submitted contains no information about medical device(s)/drug(s). No form of interest has been or will be directly or indirectly related from the commercial party to the subject of this manuscript. No competing interests that the authors claim.