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Tossed out without endorsement. The text makes it clear which side the author is on. I'd be interested to hear what others have to say about the data.
http://graefcrystal.com/images/CRYS_REP_HLTH_INS_8_12_09.pdf
http://graefcrystal.com/images/CRYS_REP_HLTH_INS_8_12_09.pdf