Chen, Linhai
Wu, Yibing
Lin, Guanghao
Wei, Peng
Ye, Zaohui
Wang, Yangjian
Ren, Tiantian
Article History
Received: 19 November 2017
Accepted: 20 March 2018
First Online: 24 March 2018
Compliance with ethical standards
:
: The authors report no conflict of interest.
: The Health Sciences Institutional Review Board of our hospital approved this study (the Ethics Committee of Ningbo First Hospital, Approval number 2013-0110).