Leusink, Frank K.
Koudounarakis, Eleftherios
Frank, Michael H.
Koole, Ronald
van Diest, Paul J.
Willems, Stefan M.
Article History
Received: 31 July 2016
Accepted: 27 March 2018
First Online: 5 April 2018
Ethics approval and consent to participate
: The study was approved by the institutional review board of the University Medical Centre Utrecht, Utrecht, The Netherlands (RP 2010–33). The need for informed consent to participate in the study has been waived by the institutional review board of the University Medical Centre Utrecht, Utrecht, The Netherlands.
: The authors declare that they have no competing interests.
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