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Submitted on: 08 January 2004.
Revised on: 01 April 2004.
Accepted on: 04 May 2004.
___________________Frontiers in Cell and Developmental Biology
Submitted on: 25 May 1999.
Revised on: 12 September 1999.
Accepted on: 13 October 1999.
___________________Frontiers in Cell and Developmental Biology
Submitted on: 10 August 2019.
Revised on: 21 September 2019.
Accepted on: 27 October 2019.
___________________Frontiers in Cell and Developmental Biology
Submitted on: 24 February 1999.
Revised on: 20 May 1999.
Accepted on: 18 July 1999.
___________________Frontiers in Cell and Developmental Biology
Submitted on: 18 November 1999.
Revised on: 18 January 2000.
Accepted on: 19 February 2000.
___________________Frontiers in Cell and Developmental Biology
Submitted on: 01 January 2013.
Revised on: 25 March 2013.
Accepted on: 10 April 2013.
___________________Frontiers in Cell and Developmental Biology
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