Text and Data Mining valid from 2018-03-15
Received: 22 June 2017
Accepted: 8 March 2018
First Online: 15 March 2018
Ethics approval and consent to participate
: Informed content was obtained for all participants and ethical approval was not needed for the Survey of Health, Impairment, and Living Conditions in Denmark from which data for this study was drawn.
: Not applicable.
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