van Essen, Max J.
Han, Kuo Sen
Lo, Rob T. H.
Woerdeman, Peter
van der Zwan, Albert
van Doormaal, Tristan P. C. http://orcid.org/0000-0002-6299-3859
Funding for this research was provided by:
University Medical Center Utrecht
Article History
Received: 26 April 2018
Accepted: 31 August 2018
First Online: 7 September 2018
Compliance with ethical standards
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
: This article does not contain any studies with human participants performed by any of the authors. Our institutional ethical board exempted this study, due to the retrospective nature, from the requirement of formal consent.