Zhang, Rong-rong
Yu, Yan
Hou, Yin-fen
Wu, Chang-fan
Article History
Received: 14 December 2020
Accepted: 5 April 2021
First Online: 23 April 2021
Declarations
:
: This study was approved by the ethical committee of Wannan Medical College Yijishan Hospital (Approval No.2019–052). Permission to collect data was included under ethics approval. The informed consent was exempt according to the Institutional Review Board because each patient record was anonymized and deidentified prior to analysis.
: All the participants or legal guardians of the participants in the manuscript agree to publish the images.
: The authors declare that they have no competing interests.