In contrast, a March 2007 study in the "Journal of the American Medical Association" (JAMA) found no mortality benefit from CT-based lung cancer screening. 3,200 current or former smokers were screened for 4 years and offered 3 or 4 CT scans. Lung cancer diagnoses were 3 times as high, and surgeries were 10 times as high, as predicted by a model, but there were no significant differences between observed and expected numbers of advanced cancers or deaths. Additional controversy arose after a 2008 "New York Times" reported that the 2006, pro-CT scan study in the "New England Journal of Medicine" had been funded indirectly by the parent company of the Liggett Group, a tobacco company.