Monin, A
Baumann, P S
Griffa, A
Xin, L
Mekle, R
Fournier, M
Butticaz, C
Klaey, M
Cabungcal, J H
Steullet, P
Ferrari, C
Cuenod, M
Gruetter, R
Thiran, J P
Hagmann, P
Conus, P
Do, K Q
Article History
Received: 13 February 2014
Revised: 30 April 2014
Accepted: 23 June 2014
First Online: 26 August 2014
Competing interests
: The authors declare no conflict of interest.