Funding for this research was provided by:
German Federal Ministry of Education and Research (01GY1335B)
Received: 1 May 2017
Accepted: 10 June 2018
First Online: 19 June 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the ethics committee of the University of Lübeck (Ref. 14–239). Written information about the study was given to residents and residents’ legal representatives, and written informed consent was obtained from residents or their legal representatives. Caregivers received written and oral information about the study before data collection. Voluntary participation in the data collection was considered as informed consent from caregivers. A written consent from the caregivers was waived by the ethics committee.
: Not applicable.
: All authors declare that they have no competing interests. GM is a member of the BMC Geriatrics editorial board, but was not involved in the review process.
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