Received: 31 October 2021
Accepted: 7 April 2022
First Online: 29 April 2022
: The study protocol was approved by the ethics committee of Surgical Anatomy Education Center Yonsei University College of Medicine (YSAEC 19-003), and informed consent was obtained from the donors and their families.
: Not applicable.
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers' bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.