Submitted on: 21 August 1998.
Revised on: 25 November 1998.
Accepted on: 15 January 1999.
___________________AMERICAN JOURNAL OF PRIMATOLOGY
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Submitted on: 24 July 2012.
Revised on: 12 September 2012.
Accepted on: 14 October 2012.
___________________AMERICAN JOURNAL OF PRIMATOLOGY
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