Breen, M S
Maihofer, A X
Glatt, S J
Tylee, D S
Chandler, S D
Tsuang, M T
Risbrough, V B
Baker, D G
O'Connor, D T
Nievergelt, C M
Woelk, C H
Article History
Received: 22 August 2014
Revised: 25 November 2014
Accepted: 19 December 2014
First Online: 10 March 2015
Competing interests
: The authors declare no conflict of interest.