Text and Data Mining valid from 2018-05-24
Received: 1 September 2017
Accepted: 8 May 2018
First Online: 24 May 2018
Ethics approval and consent to participate
: The consent procedures and study protocol were approved by the accredited Dutch Medical Ethical Trial Committee (registration number NL31406.097.10, file number P13.258) of the Erasmus University Medical Center. Approval was in accordance with the ethical guidelines set forth by the Declaration of Helsinki. All patients provided written informed consent before participating in this study and the identity of the participants remained anonymous.
: The authors declare that they have no competing interests.
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