Liu, Wei
Wang, Jing
Li, Wenbin
Zhou, Zhaoxian
Liu, Siying
Rong, Zhihui
Article History
Received: 15 March 2020
Accepted: 17 March 2020
First Online: 13 April 2020
Compliance with ethics guidelines
: Wei Liu, Jing Wang, Wenbin Li, Zhaoxian Zhou, Siying Liu, and Zhihui Rong declare that they have no conflict of interest. All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the <i>Helsinki Declaration</i> of 1975, as revised in 2000 (5). Informed consent was obtained from all patients or guardians of patients for being included in the study.
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