Article History
First Online: 18 January 2020
Compliance with Ethical Standards
:
: Garrez I. and Lapauw B. declare that they have no conflict of interest; Van Nieuwenhove Y. reports consultancy fees from Olympus and grants from Kom op tegen kanker outside the submitted work.
: All procedures performed in this study 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.
: Informed consent was obtained from all individual participants included in the study.