Wei, Wei
Zheng, Xi
Gu, Yu
Fu, Wenting
Tang, Chunlin
Yao, Yonghua
Article History
Received: 30 March 2021
Accepted: 29 November 2021
First Online: 3 January 2022
Declarations
:
: Ethical committee approval for the study (Ethics committee number ZN201857) was provided by the Ethical Committee of the cancer hospital and institute of Guangzhou medical university, 78 Hengzhigang Road, Yuexiu district, Guangzhou, Guangdong, China. The study was also registered on the Chinese Clinical Trial Registry Center (ExternalRef removed; registration number: ChiCTR 2000033238) and conducted following the Declaration of Helsinki. The first clinical trial registration was in 25/05/2018. An informed consent form designated specifically for the study was provided to each participant and explained in detail seven days prior to the surgery. The participant could opt out of the study unconditionally before the intervention. Written inform consent was obtained from the patient during the preanesthetic visit the afternoon before surgery.
: Not applicable.
: The authors have no conflicts of interest to disclose.