Cohen, J
Pivodic, L
Miccinesi, G
Onwuteaka-Philipsen, B D
Naylor, W A
Wilson, D M
Loucka, M
Csikos, A
Pardon, K
Van den Block, L
Ruiz-Ramos, M
Cardenas-Turanzas, M
Rhee, Y
Aubry, R
Hunt, K
Teno, J
Houttekier, D
Deliens, L
Article History
Received: 17 March 2015
Revised: 8 July 2015
Accepted: 10 August 2015
First Online: 1 September 2015
Competing interests
: The authors declare no conflicts of interest.