Received: 7 January 2019
Accepted: 22 May 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: This study was conducted at the Department of Orthopaedic Surgery, Fukuoka University Faculty of Medicine, Fukuoka, according to approved medical and ethical guidelines, and the study protocols were approved by the Fukuoka University Institutional Review Board (IRB Approval Number: 2017M111). The donors and their families expressed their willingness to use them for anatomical research.
: Not applicable.
: The authors declare that they have no competing interests.