Yan, Yong
Crisp, Ryan W.
Gu, Jing
Chernomordik, Boris D.
Pach, Gregory F.
Marshall, Ashley R.
Turner, John A. http://orcid.org/0000-0003-0398-0676
Beard, Matthew C.
Article History
Received: 12 October 2016
Accepted: 3 March 2017
First Online: 3 April 2017
Competing interests
: The authors declare no competing financial interests.