We aren't your Google-scholar and you're just promoting FUD by asking into the ether "but couldn't X cause Y". Me typing this message COULD cause a butterfly effect that leads to an earthquake. In any "does X cause Y" scenario you have two answer what the probability is that X causes Y and what's the impact of X does cause Y.
In RFR exposure terms it's what is the probability that RF below ionizing levels cause damage to DNA to promote cancer. The vast majority of the research says no and theoretical mechanisms for harm of RF below ionizing levels has never been proven to anything close to a statistical significance or in ways that are reproducible. Even if you did you'd have to assume impact. The OP study is basically assuming there's some impact and studying the population broadly and observed none.
Low probably, low impact, low or no risk.
Please present evidence that presents a high risk argument that is backed by some research showing an increase of the probability and/or impact or rfr exposure to DNA damage.
Until you do that, you're gish galloping. Please respond to our arguments (or consider if we're right) instead of declaring new ones with no references.