Johnson, C P
Follmer, R L
Oguz, I
Warren, L A
Christensen, G E
Fiedorowicz, J G
Magnotta, V A
Wemmie, J A
Article History
Received: 5 August 2014
Revised: 19 September 2014
Accepted: 9 October 2014
First Online: 6 January 2015
Competing interests
: The authors declare no conflict of interest.