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Submitted on: 13 March 2010.
Revised on: 02 June 2010.
Accepted on: 25 June 2010.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
Submitted on: 20 February 2008.
Revised on: 25 April 2008.
Accepted on: 03 June 2008.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
Submitted on: 13 September 1998.
Revised on: 10 October 1998.
Accepted on: 03 November 1998.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
Submitted on: 10 December 2009.
Revised on: 03 April 2010.
Accepted on: 12 May 2010.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG
Submitted on: 08 October 1998.
Revised on: 28 October 1998.
Accepted on: 09 December 1998.
___________________Journal of Frailty & Aging---SPRINGER BASEL AG