Received: 31 August 2017
Accepted: 22 January 2018
First Online: 5 February 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the ethics review committee of the teaching hospital (University Hospital Ghent) and general hospitals (Maria Middelares Hospital Ghent, General Hospital Sint-Lucas Ghent, Onze-Lieve-Vrouw van Lourdes Hospital Waregem, General Hospital Sint-Lucas Bruges, General Hospital Alma Eeklo, Onze Lieve Vrouw Hospital Alost, General Hospital Nikolaas, Sint-Andries Hospital Tielt) (B670201317036 and B670201523233). The participants received oral information about the aim of the study from a healthcare professional within the hospital. After preliminary consent, the researcher approached the participant to provide more detailed information about both the aim of the study and the participant’s anonymity. Written informed consent was obtained from all participants.
: Not applicable.
: DB is member of the editorial board of the BMC Geriatrics. The other authors have no conflict of interest to disclosure.
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