Funding for this research was provided by:
Text and Data Mining valid from 2018-12-01
Received: 21 June 2018
Accepted: 26 November 2018
First Online: 6 December 2018
Ethics approval and consent to participate
: The study was approved by the Medical Ethical review committee of the VU University Medical Centre. All participants in this study signed an informed consent form before inclusion took place. All information gathered was only used for this study and was processed separately from participant identifiers to protect the privacy and confidentiality of the participants within this study.
: Not applicable.
: The authors declare that they have no competing interests.
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