We know that Dr. P submitted his paper to NEJM yes
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Validation will come by peers reviewing the science, protocols, data, and interpretation of the data. If the report is solid (as I expect it to be given Dr. P's background), I would expect this to happen quickly. The NEJM is published weekly. I hope the report is impressive enough to get 'leaked' prior to the next publication if it doesn't make it to this week's; I think someone here said the next publication is out tomorrow.
If not, at least we can look forward to having some 'meat' fed to us this Friday.