Submitted on: 30 October 2000.
Revised on: 31 December 2000.
Accepted on: 21 February 2001.
___________________Annals of Geriatric Medicine and Research
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Submitted on: 18 June 2019.
Revised on: 17 September 2019.
Accepted on: 31 October 2019.
___________________Annals of Geriatric Medicine and Research
Submitted on: 04 March 2020.
Revised on: 06 April 2020.
Accepted on: 22 May 2020.
___________________Annals of Geriatric Medicine and Research
Submitted on: 28 December 2016.
Revised on: 28 February 2017.
Accepted on: 16 April 2017.
___________________Annals of Geriatric Medicine and Research
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Submitted on: 21 March 1998.
Revised on: 26 May 1998.
Accepted on: 06 July 1998.
___________________Annals of Geriatric Medicine and Research