Haid, Bernhard http://orcid.org/0000-0003-1691-7510
Thüminger, Jonas
Lusuardi, Lukas
de Jong, Tom P. V. M.
Oswald, Josef
Article History
Received: 15 December 2019
Accepted: 17 March 2020
First Online: 30 March 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: The study protocol of this retrospective study is in accordance with the ethical standards of the institutional research committee (Gemeinsame Ethikkommission der Barmherzigen Schwestern + Barmherzige Brüder”, EKS 38/17, approved on 2nd Nov 2017) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Compliant with the journals guidelines and as approved by the institutional ethics committee, there was no need for obtaining informed consent from the included patients/their parents. None of the published endoscopic and radiologic images contain any identifying characteristics.