Gai, Wei
Jin, Xi-Feng
Du, Ronglian
Li, Ling
Chai, Tong-Hai
Article History
Received: 8 May 2017
Accepted: 23 December 2017
First Online: 8 March 2018
Compliance with ethical standards
:
: WG, XFJ, RD, LL, and THC declare that they have no conflict of interest.
: The authors declare that the study was performed in a manner to conform with the Helsinki Declaration of 1975, as revised in 2000 and 2008, concerning Human and Animal Rights. The protocol was approved by the Institutional Ethics Committee, and informed consent was obtained from the study subjects.