Li, Wenjing
Li, Jun
Mu, Hong
Guo, Meiqi
Deng, Haixia
Article History
Received: 24 March 2019
Accepted: 27 May 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: The study was approved by Tianjin First Central Hospital and all of the patients provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.