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Submitted on: 31 October 2008.
Revised on: 26 November 2008.
Accepted on: 15 December 2008.
PLOS BIOLOGY
Submitted on: 18 May 2006.
Revised on: 17 June 2006.
Accepted on: 06 July 2006.
PLOS BIOLOGY---PUBLIC LIBRARY SCIENCE
Submitted on: 23 February 2004.
Revised on: 06 April 2004.
Accepted on: 30 April 2004.
PLOS BIOLOGY
Submitted on: 09 February 2014.
Revised on: 05 March 2014.
Accepted on: 23 March 2014.
PLOS BIOLOGY---PUBLIC LIBRARY SCIENCE