Ethics approval and consent to participate
This study was approved by the institutional Ethics Committee in the first affiliated hospital of Chongqing medical university (reference number was 2020–390) at 22/07/2020 and conducted in accordance with the Declaration of Helsinki tenets and the Basel. The trial was registered at the Chinese Clinical Trial Center on 11/09/2020 with the registration number ChiCTR2000038154. Written informed consent was obtained from all individual participants before surgery for the collection and analysis of the data.