Spring, K
Fournier, P
Lapointe, L
Chabot, C
Roussy, J
Pommey, S
Stagg, J
Royal, I
Article History
Received: 19 June 2014
Revised: 16 December 2014
Accepted: 14 January 2015
First Online: 16 March 2015
Competing interests
: The authors declare no conflict of interest.