Chen, Lulu
Yuan, Mingzhen
Sun, Lu
Wang, Yuelin
Chen, Youxin
Article History
Received: 20 August 2019
Accepted: 25 March 2020
First Online: 19 April 2020
Ethics approval and consent to participate
: The study adhered to the tenets of the Declaration of Helsinki and was approved by PUMCH. Written informed consent was obtained from all subjects (and the parents/guardians of any minors included as participants). The research was approved by the institutional review board of PUMCH (approval number: S-K631).
: Written informed consents were obtained from all participants for the publication of clinical information and images.
: The authors declare that they have no competing interests.