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Submitted on: 25 November 1999.
Revised on: 09 March 2000.
Accepted on: 02 April 2000.
___________________International Journal of Clinical Oncology
Submitted on: 27 January 2001.
Revised on: 14 April 2001.
Accepted on: 07 May 2001.
___________________International Journal of Clinical Oncology
Submitted on: 16 June 2012.
Revised on: 26 August 2012.
Accepted on: 22 September 2012.
___________________International Journal of Clinical Oncology
Submitted on: 10 February 1999.
Revised on: 12 April 1999.
Accepted on: 14 May 1999.
___________________International Journal of Clinical Oncology
Submitted on: 14 September 2013.
Revised on: 02 November 2013.
Accepted on: 29 December 2013.
___________________International Journal of Clinical Oncology