Xu, Xi
Yu, Chengcheng
Zhang, Lieguang
Luo, Liangping
Liu, Jinxin
Article History
First Online: 14 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Patient’s consent for publication of fully anonymized images was waived.
Free to read: This content has been made available to all.