Klimas, Aleksandra
Ambrosi, Christina M.
Yu, Jinzhu
Williams, John C. http://orcid.org/0000-0002-3500-914X
Bien, Harold http://orcid.org/0000-0002-4352-1848
Entcheva, Emilia
Article History
Received: 6 December 2015
Accepted: 5 April 2016
First Online: 10 May 2016
Competing interests
: The authors declare no competing financial interests.