Sanders, Fay Ruth Katharina
van’t Hul, Mirjam
Kistemaker, Rosanne Maria Güzelleke
Schepers, Tim
Article History
Received: 7 October 2019
First Online: 9 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Due to the retrospective an non-invasive nature of this study, no ethical approval was required.
: Informed consent was obtained from all individual participants included in the study by giving all patients the possibility to object by letter/e-mail.