Funding for this research was provided by:
Gratama Stichting (2015-05)
Stichting tot Steun Vereniging tot Christelijke Verzorging van Geestes- en Zenuwzieken (239)
Received: 26 February 2018
Accepted: 13 August 2018
First Online: 3 September 2018
Ethics approval and consent to participate
: The current study was approved by the Medical Ethical Committee from the University Medical Center Groningen (no. 2015/530). All participants will provide written informed consent before enrollment in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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