On 2018 Feb 01, Jonathan Eisen commented:
I note - the web site linked to in Figure 1 regarding data used for the trees - http://crab2.berkeley.edu/pacelab/176.htm is no longer available. However, it is available at the Internet Archive at https://web.archive.org/web/19990224012002/crab2.berkeley.edu/pacelab/176.htm.
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