Funding for this research was provided by:
Ningbo Life Science and Technology City project (2019Y53)
Received: 26 January 2021
Accepted: 11 March 2021
First Online: 30 March 2021
: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). The study protocol was approved by the Ethics Committee of Ningbo No. 6 Hospital (K2020005). Informed consent will be obtained from each patient. The findings of this study will be disseminated widely at national and international conferences, and will be published in peer-reviewed, scientific journals.
: All patients who voluntarily participate in the study will sign a written informed consent. Volunteers are aware of this publication and have clarified the importance of the study and publication of the manuscript.
: All authors have completed the ICMJE uniform disclosure form. The authors declare that they have no competing interests.