Funding for this research was provided by:
Text and Data Mining valid from 2020-03-19
Received: 27 May 2019
Accepted: 11 March 2020
First Online: 19 March 2020
Ethics approval and consent to participate
: The Ethical Committee of the University Medical Center Groningen approved the study (METc 2014/523). We obtained oral and written informed consent from participants and their caregivers. The study was conducted in accordance with the Declaration of Helsinki (64th amendment).
: Consent for publication is not applicable.
: The authors declare that they have no competing interests.