Szybalska, Aleksandra http://orcid.org/0000-0002-8943-6948
Broczek, Katarzyna
Slusarczyk, Przemysław
Kozdron, Ewa
Chudek, Jerzy
Puzianowska-Kuznicka, Monika
Kostka, Tomasz
Skalska, Anna
Mossakowska, Malgorzata
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (No. PBZ-MEIN-9/2/2006)
Article History
Received: 12 March 2018
Accepted: 7 June 2018
First Online: 20 June 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interest.
: The PolSenior study was approved by the Bioethics Commission of the Medical University of Silesia in Katowice (ethical approval no. KNW-6501-38/I//08).
: Before enrolment in the PolSenior study, each respondent or their caregiver signed an informed consent form.