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==Comments==

==Comments==

The word count for the above letter is precisely the PNAS limit of 250 for the Text section, excluding the cc: list.  The foregoing letter is to be sent by postal mail, return receipt requested, to PNAS, 500 Fifth Street, NW, NAS 340, Washington, DC 20001, by email to pnas@nas.edu , and by posting it in its feedback form at http://www.pnas.org/feedback .

The word count for the above letter is precisely the [[PNAS]] limit of 250 for the Text section, excluding the cc: list.  The foregoing letter is to be sent by postal mail, return receipt requested, to PNAS, 500 Fifth Street, NW, NAS 340, Washington, DC 20001, by email to pnas@nas.edu , and by posting it in its feedback form at http://www.pnas.org/feedback .