Funding for this research was provided by:
Medical Health Science and Technology Project of Zhejiang Provincial Health Commission (2020359348)
Received: 2 January 2021
Accepted: 25 March 2021
First Online: 9 April 2021
: This study was approved by the Medical Ethics Committee of Ningbo Medical Center Lihuili Hospital, China (KY2019PJ018), and the protocol was registered at the Chinese Clinical Trial Registry (ChiCTR1900027574) (prospectively registered). The initial registration date was 19/11/2019. All procedures performed in this study involving human participants were in accordance with the Ethical Standards of the Institutional Ethics Committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. All patients signed written informed consent before surgery.
: Not applicable.
: The authors have no conflicts of interests to disclose.