Koedam, T. W. A.
Veltcamp Helbach, M.
van de Ven, P. M.
Kruyt, Ph. M.
van Heek, N. T.
Bonjer, H. J.
Tuynman, J. B.
Sietses, C.
Article History
Received: 23 October 2017
Accepted: 20 December 2017
First Online: 22 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest, directly related to this study. H.J. Bonjer has received research grants from Applied, Medtronic, Olympus and Ethicon. J.B. Tuynman has received a research grant from the Dutch Cancer Society and speaker honorarium from Applied Medical. C. Sietses received a speaker honorarium from Applied Medical. T.W.A. Koedam, M. Veltcamp Helbach, P.M. van de Ven, Ph.M. Kruyt, and N.T. van Heek have nothing to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.
: The datasets during and/or analyzed during the current study are available from the corresponding author on reasonable request.