Ethics approval and consent to participate
This study was approved by the the hospital’s institutional review board (Hanyang University Guri Hospital Institutional Review Board, GURI 2021-03-041-006) and registered with the clinical research information service centre (KCT0006453, Date of registration: 17/08/2021, Principal Investigator: SY Cho). This study was in accordance with the declaration of Helsinki and performed in accordance with the relevant guidelines and regulations. All patients voluntarily participated in the study and signed informed consent before the surgery.