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Submitted on: 12 February 1999.
Revised on: 30 April 1999.
Accepted on: 11 June 1999.
___________________Journal of Geriatric Oncology---ELSEVIER
Submitted on: 25 April 2000.
Revised on: 11 June 2000.
Accepted on: 09 July 2000.
___________________Journal of Geriatric Oncology---ELSEVIER
Submitted on: 03 November 2018.
Revised on: 04 January 2019.
Accepted on: 02 March 2019.
___________________Journal of Geriatric Oncology---ELSEVIER