With due respect, Martin, we do not have any epidemiologists amongst us researchers here. That is a very sophisticated question that you've asked and it should be asked to a scientist who is knowledgeable in that particular field.
But Dr. Blank is correct in the sense that in presentations of this particular work by Dan Krewski, who is a Canadian in Ottawa here, a well-respected man, he feels the results show that there is no evidence of effects. Maria Feychting of the Karolinska Institute in Sweden, another epidemiologist, has stated that she believes the data show there is no effect. Dr. Martin Blank is correct. Elisabeth Cardis has suggested that there may be some bias in the data and that additional studies would have to be done to determine the outcome.
The problem, again, I state, from my particular specialty and my observation of epidemiology, is that epidemiology tells you if there are effects of the order of at least 50% or 25%. In smoking studies, for example, it's easy to show by epidemiology that smoking causes lung cancer because the effect is 20 times higher. But with respect to these studies on epidemiology and cellphones, we always have error bars that seem to straddle the no-effect point.