Funding for this research was provided by:
Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu (502-01-01114157-06216)
the Ministry of Science and Higher Education (PBZ-MEIN-9/2/2006)
Text and Data Mining valid from 2019-03-05
Received: 23 August 2018
Accepted: 18 February 2019
First Online: 5 March 2019
Ethics approval and consent to participate
: The protocol of PolSenior project was approved by the Bioethics Committee of Medical University of Silesia (KNW/0022/KB1/38/II/08/10; KNW-6501-38/I/08). Informed consent was obtained from all subjects or caregivers.
: Not applicable.
: The authors declare that they have no competing interests.
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