Submitted on: 27 June 2017.
Revised on: 01 October 2017.
Accepted on: 15 October 2017.
___________________European Geriatric Medicine---SPRINGER
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Submitted on: 03 October 2015.
Revised on: 02 January 2016.
Accepted on: 29 February 2016.
___________________European Geriatric Medicine---SPRINGER
Submitted on: 03 March 1999.
Revised on: 16 May 1999.
Accepted on: 06 July 1999.
___________________European Geriatric Medicine---SPRINGER
Submitted on: 11 February 2002.
Revised on: 03 April 2002.
Accepted on: 27 April 2002.
___________________European Geriatric Medicine---SPRINGER
Submitted on: 14 July 2023.
Revised on: 19 September 2023.
Accepted on: 07 October 2023.
___________________European Geriatric Medicine---SPRINGER