Dong, Jie
Ma, Qiang
Funding for this research was provided by:
National Institute for Occupational Safety and Health
Article History
Received: 3 February 2016
Accepted: 11 April 2016
First Online: 22 April 2016
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.