van Rijssen, N. M.
Rojer, A. G. M.
Trappenburg, M. C.
Reijnierse, E. M.
Meskers, C. G. M.
Maier, A. B.
de van der Schueren, M. A. E.
Article History
Received: 8 January 2018
Accepted: 19 April 2018
First Online: 3 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was reviewed and approved by the institutional review board (IRB) of the Leiden University Medical Center (Leiden, the Netherlands). Ethical guidelines were followed in accordance with the Declaration of Helsinki.
: This research is based on regular care, the need for individual informed consent was waived by the aforementioned IRB.