Submitted on: 27 July 1998.
Revised on: 28 August 1998.
Accepted on: 25 September 1998.
___________________Journal of Stem Cells & Regenerative Medicine
Submitted on: 15 December 2000.
Revised on: 15 February 2001.
Accepted on: 24 March 2001.
___________________Journal of Stem Cells & Regenerative Medicine
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Submitted on: 14 March 2013.
Revised on: 12 June 2013.
Accepted on: 23 June 2013.
___________________Journal of Stem Cells & Regenerative Medicine
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Submitted on: 23 August 2008.
Revised on: 25 September 2008.
Accepted on: 27 October 2008.
___________________Journal of Stem Cells & Regenerative Medicine
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Submitted on: 03 May 2014.
Revised on: 18 July 2014.
Accepted on: 29 August 2014.
___________________Journal of Stem Cells & Regenerative Medicine