Carbo, Ellen W. S.
Hillebrand, Arjan
van Dellen, Edwin
Tewarie, Prejaas
de Witt Hamer, Philip C.
Baayen, Johannes C.
Klein, Martin
Geurts, Jeroen J. G.
Reijneveld, Jaap C.
Stam, Cornelis J.
Douw, Linda
Article History
Received: 28 September 2016
Accepted: 4 January 2017
First Online: 7 February 2017
Competing interests
: M.K. has received consultancy fees from Hoffmann-La Roche, outside the submitted work. E.W.S.C., E.v.D., P.T., P.C.d.W.H., J.C.B., J.J.G.G., J.C.R., C.J.S. and L.D. report no conflicts of interest.