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Submitted on: 20 March 2014.
Revised on: 08 June 2014.
Accepted on: 20 July 2014.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
Submitted on: 23 June 2019.
Revised on: 10 October 2019.
Accepted on: 02 November 2019.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
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Submitted on: 20 October 2024.
Revised on: 16 December 2024.
Accepted on: 25 January 2025.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
Submitted on: 25 December 2003.
Revised on: 14 March 2004.
Accepted on: 07 May 2004.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG