But they are pretty specific in their terms that it's tobacco companies research that's banned. I don't think that includes ecigs. However it's concerning because they assume ecigs are owned or will be owned by BT.
Speaking of JAMA, did you see the announcement about dropping ecig research articles ( until SG comes up with far fetched zingers).
BMJ Group blogs: BMJ Open » Blog Archive » Journal policy on research funded by the tobacco industry
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"As editors of the BMJ, Heart, Thorax, and BMJ Open we have decided that the journals will no longer consider for publication any study that is partly or wholly funded by the tobacco industry". And they then go on to talk about how tobacco companies & eCigs...