The study drew on data gathered in a 1999 national survey of more than 15,000 students.
The data gathered in the search would be retained only until the passenger had completed the itinerary, according to officials.
The authors based their findings on data gathered in two international drug trials involving more than 15,000 patients.
The findings were based on a review of data gathered in federal health surveys from 1991 to 2001.
Navalny's new website Sochi.FBK.info combines data gathered in his own investigations with media reports and other activists' analysis.
Among the data gathered in these huge household surveys were the heights, weights and ages of children.
Their study, based on data gathered in 2001 by the Federal Reserve, found that those who earned $400,000 to $499,000 a year gave 5.5percentt.
This time, researchers were able to include sea-surface data gathered in the late 1970's by satellites that scanned the oceans with radar.
But the researchers' estimate relies on older data gathered in the late 1990s, according to Elaine Kolish, a spokesman for the Council of Better Business Bureaus.
That survey, based on data gathered in 2002, provoked a debate among academics, publishers and others about why reading was declining.
A new experimental benchmark is introduced, using data gathered in a wedge-driven wave tank.
