Vogelsberger, M.
Genel, S.
Springel, V.
Torrey, P.
Sijacki, D.
Xu, D.
Snyder, G.
Bird, S.
Nelson, D.
Hernquist, L.
Article History
Received: 27 January 2014
Accepted: 7 April 2014
First Online: 7 May 2014
Competing interests
: The authors declare no competing financial interests.