That study is an evidence based review. It is not based on double blind testing and includes the extrapolation of the results of influenza studies. My comment referred to conclusive testing.
Well, quite. I figured that it would have been pointless and time consuming pasting links to the literally hundreds of papers written on the subject using various populations for study. Hence why I chose one of the various summaries instead.
That study is an evidence based review. It is not based on double blind testing and includes the extrapolation of the results of influenza studies. My comment referred to conclusive testing.