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Submitted on: 28 August 2011.
Revised on: 03 November 2011.
Accepted on: 13 November 2011.
___________________Ageing International---SPRINGER
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Submitted on: 27 March 2023.
Revised on: 12 July 2023.
Accepted on: 26 July 2023.
___________________Ageing International---SPRINGER
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