Submitted on: 19 January 2003.
Revised on: 14 February 2003.
Accepted on: 21 March 2003.
___________________Journal of Chemical Information and Modeling
Submitted on: 01 October 2011.
Revised on: 07 January 2012.
Accepted on: 04 February 2012.
___________________Journal of Chemical Information and Modeling
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Submitted on: 18 May 2020.
Revised on: 02 July 2020.
Accepted on: 13 August 2020.
___________________Journal of Chemical Information and Modeling
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