Funding for this research was provided by:
Universitair Medisch Centrum Groningen
Text and Data Mining valid from 2019-07-23
Received: 19 April 2019
Revised: 11 July 2019
Accepted: 16 July 2019
First Online: 23 July 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Additional informed consent was obtained from all individual participants for whom identifying information is included in this article.