van Melle, A. L.
Voskes, Y.
de Vet, H. C. W.
van der Meijs, J.
Mulder, C. L.
Widdershoven, G. A. M.
Article History
First Online: 17 August 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Medical Ethical Committee of the VU University Medical Center.