Valk, M. J. M.
Hoes, A. W.
Mosterd, A.
Landman, M. A.
Zuithoff, N. P. A.
Broekhuizen, B. D. L.
Rutten, F. H.
Article History
First Online: 30 September 2020
Conflict of interest
: M.J.M. Valk, A.W. Hoes, A. Mosterd, M.A. Landman, N.P.A. Zuithoff, B.D.L. Broekhuizen and F.H. Rutten declare that they have no competing interests.