Compiet, S. A. M.
Willemsen, R. T. A.
Konings, K. T. S.
Stoffers, H. E. J. H.
Article History
First Online: 7 June 2018
Conflict of interest
: S.A.M. Compiet, R.T.A. Willemsen, K.T.S. Konings and H.E.J.H. Stoffers declare that they have no competing interests.
: Since the study did not consist of patient-related research, no approval of a Medical Research Ethics Committee was required.