Comparing 3 T and 1.5 T MRI for tracking Alzheimer's disease progression with tensor-based morphometry

April J. Ho, Xue Hua, Suh Lee, Alex D. Leow, Igor Yanovsky, Boris Gutman, Ivo D. Dinov, Natasha Leporé, Jason L. Stein, Arthur W. Toga, Clifford R. Jack, Matt A. Bernstein, Eric M. Reiman, Danielle J. Harvey, John Kornak, Norbert Schuff, Gene E. Alexander, Michael W. Weiner, Paul M. Thompson