Submitted on: 05 September 1999.
Revised on: 22 October 1999.
Accepted on: 14 November 1999.
___________________Heart Failure Clinics---ELSEVIER SCIENCE INC
Submitted on: 28 December 2008.
Revised on: 07 February 2009.
Accepted on: 20 March 2009.
___________________Heart Failure Clinics---ELSEVIER SCIENCE INC
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Submitted on: 07 June 2016.
Revised on: 15 August 2016.
Accepted on: 25 September 2016.
___________________Heart Failure Clinics---ELSEVIER SCIENCE INC
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