Klinkenberg, Theo J.
Bouma, Wobbe https://orcid.org/0000-0003-3271-8220
Van De Wauwer, Caroline
Wolf, Rienhart F. E.
Mariani, Massimo A.
Groen, Harry J. M.
Article History
Received: 9 June 2018
Accepted: 13 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: This study was conducted in accordance with the guidelines of the University Medical Center Groningen Institutional Review Board. The need for informed consent was waived due to the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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