and the author, in the comments, essentially agrees that a key part of his math is wrong: <a href="http:&#x2F;&#x2F;www.plosone.org&#x2F;annotation&#x2F;listThread.action?root=88142" rel="nofollow">http:&#x2F;&#x2F;www.plosone.org&#x2F;annotation&#x2F;listThread.action?root=881...</a>