Xu, Ding
Yang, Zhongqing
Qi, Jun
Mundhenk, Jens
Zanker, Patrick
Schwentner, Christian
Lei, Ye
Article History
Received: 3 January 2021
Accepted: 19 February 2021
First Online: 27 February 2021
Declarations
:
: There are no conflicts of interest to this work.
: This is a clinical and retrospective study which involves human participants and ethics approval was not obtained prior to data collecting.
: All the participants signed the informed consent. The disclosed information in our study is anonymized and the submission does not include images that may identify the person.