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Submitted on: 24 November 2007.
Revised on: 04 March 2008.
Accepted on: 18 March 2008.
___________________BMC Palliative Care---BMC
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Submitted on: 26 June 2013.
Revised on: 27 August 2013.
Accepted on: 18 September 2013.
___________________BMC Palliative Care---BMC
Submitted on: 02 December 2018.
Revised on: 08 March 2019.
Accepted on: 05 May 2019.
___________________BMC Palliative Care---BMC
Submitted on: 07 February 2000.
Revised on: 29 February 2000.
Accepted on: 10 April 2000.
___________________BMC Palliative Care---BMC