Zhang, Yuzheng
Du, Mingmei
Johnston, Janice Mary
Andres, Ellie Bostwick
Suo, Jijiang
Yao, Hongwu
Huo, Rui
Liu, Yunxi
Fu, Qiang https://orcid.org/0000-0002-4523-608X
Article History
Received: 13 April 2019
Accepted: 19 July 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: This study was approved by the studied hospital institutional review board. For this type of study, formal consent is not required.
: Not applicable.
: The authors declare that they have no competing interests.