Khulan, B
Manning, J R
Dunbar, D R
Seckl, J R
Raikkonen, K
Eriksson, J G
Drake, A J
Article History
Received: 8 April 2014
Revised: 26 June 2014
Accepted: 7 August 2014
First Online: 23 September 2014
Competing interests
: The authors declare no conflict of interest.