Received: 6 November 2021
Accepted: 27 July 2022
First Online: 5 August 2022
: The study had been approved by Ethics Committee of Xiangya Hospital. It was performed in accordance with the 1964 Declaration of Helsinki. The cadaveric specimens used in this study were provided by Xiangya Hospital, Central south University. Each donor and their family provided written informed consent to dedicate their bodies to education and research.
: Not Applicable.
: The authors have no conflicts of interest to declare that are relevant to the content of this article.