Text and Data Mining valid from 2018-12-01
Received: 13 June 2018
Accepted: 20 November 2018
First Online: 6 December 2018
Ethics approval and consent to participate
: The study protocol was approved by the Medical Ethical Committee (ID 2012.362) of the University of Groningen. All patients were informed about the study procedures and have given their written consent to participate. Parental consent was given for patients under an age of 18 years (<i>n</i> = 3).
: Not Applicable.
: The authors report no conflict of interest.
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