Jiang, Xin
Chen, Dong
Lou, Yahao
Li, Zhongshi
Article History
Received: 15 July 2016
Accepted: 29 September 2016
First Online: 20 October 2016
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This study was approved by the Ethical Review Committee of our hospital.
: For this type of study formal consent is not required.