Qi, Biying
Yu, Yanping
You, Qisheng
Wang, Zengyi
Wang, Jing
Liu, Lingzi
Article History
Received: 24 February 2020
Revised: 14 June 2020
Accepted: 19 June 2020
First Online: 30 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the ethical review committee of Beijing Tongren Hospital, Capital Medical University.
: Informed consent was obtained from all individual participants included in this study.
: Patients signed informed consent regarding publishing their data and photographs.
: None.