Qian, Yiyong http://orcid.org/0000-0002-4519-3040
Zhao, Peiquan
Li, Haiyan
Ye, Hehua http://orcid.org/0000-0002-6490-2244
Article History
Received: 13 March 2020
Accepted: 12 May 2020
First Online: 11 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was waived by the Ethics Committee of Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine in view of the retrospective nature of the study, and all the procedures being performed were part of the routine care. The study followed the guidelines in the Declaration of Helsinki.
: Not applicable.
: Informed written consent was obtained from all study participants or their parents.
: Patients signed informed consent regarding publishing their data and photographs.